21109432000

素因数分解:

$2^6\times 5^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:496

約数の個数: 224

約数和(自身を含む): 53558968320

約数和(自身を除く): 32449536320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 127, 158, 160, 200, 250, 254, 263, 316, 320, 395, 400, 500, 508, 526, 632, 635, 790, 800, 1000, 1016, 1052, 1264, 1270, 1315, 1580, 1600, 1975, 2000, 2032, 2104, 2528, 2540, 2630, 3160, 3175, 3950, 4000, 4064, 4208, 5056, 5080, 5260, 6320, 6350, 6575, 7900, 8000, 8128, 8416, 9875, 10033, 10160, 10520, 12640, 12700, 13150, 15800, 15875, 16832, 19750, 20066, 20320, 20777, 21040, 25280, 25400, 26300, 31600, 31750, 32875, 33401, 39500, 40132, 40640, 41554, 42080, 50165, 50800, 52600, 63200, 63500, 65750, 66802, 79000, 80264, 83108, 84160, 100330, 101600, 103885, 105200, 126400, 127000, 131500, 133604, 158000, 160528, 166216, 167005, 200660, 203200, 207770, 210400, 250825, 254000, 263000, 267208, 316000, 321056, 332432, 334010, 401320, 415540, 420800, 501650, 508000, 519425, 526000, 534416, 632000, 642112, 664864, 668020, 802640, 831080, 835025, 1003300, 1016000, 1038850, 1052000, 1068832, 1254125, 1329728, 1336040, 1605280, 1662160, 1670050, 2006600, 2077700, 2104000, 2137664, 2508250, 2597125, 2638679, 2672080, 3210560, 3324320, 3340100, 4013200, 4155400, 4175125, 5016500, 5194250, 5277358, 5344160, 6648640, 6680200, 8026400, 8310800, 8350250, 10033000, 10388500, 10554716, 10688320, 13193395, 13360400, 16052800, 16621600, 16700500, 20066000, 20777000, 21109432, 26386790, 26720800, 33243200, 33401000, 40132000, 41554000, 42218864, 52773580, 53441600, 65966975, 66802000, 80264000, 83108000, 84437728, 105547160, 131933950, 133604000, 166216000, 168875456, 211094320, 263867900, 267208000, 329834875, 422188640, 527735800, 659669750, 844377280, 1055471600, 1319339500, 2110943200, 2638679000, 4221886400, 5277358000, 10554716000, 21109432000]

約数ペア:

[(1, 21109432000), (2, 10554716000), (4, 5277358000), (5, 4221886400), (8, 2638679000), (10, 2110943200), (16, 1319339500), (20, 1055471600), (25, 844377280), (32, 659669750), (40, 527735800), (50, 422188640), (64, 329834875), (79, 267208000), (80, 263867900), (100, 211094320), (125, 168875456), (127, 166216000), (158, 133604000), (160, 131933950), (200, 105547160), (250, 84437728), (254, 83108000), (263, 80264000), (316, 66802000), (320, 65966975), (395, 53441600), (400, 52773580), (500, 42218864), (508, 41554000), (526, 40132000), (632, 33401000), (635, 33243200), (790, 26720800), (800, 26386790), (1000, 21109432), (1016, 20777000), (1052, 20066000), (1264, 16700500), (1270, 16621600), (1315, 16052800), (1580, 13360400), (1600, 13193395), (1975, 10688320), (2000, 10554716), (2032, 10388500), (2104, 10033000), (2528, 8350250), (2540, 8310800), (2630, 8026400), (3160, 6680200), (3175, 6648640), (3950, 5344160), (4000, 5277358), (4064, 5194250), (4208, 5016500), (5056, 4175125), (5080, 4155400), (5260, 4013200), (6320, 3340100), (6350, 3324320), (6575, 3210560), (7900, 2672080), (8000, 2638679), (8128, 2597125), (8416, 2508250), (9875, 2137664), (10033, 2104000), (10160, 2077700), (10520, 2006600), (12640, 1670050), (12700, 1662160), (13150, 1605280), (15800, 1336040), (15875, 1329728), (16832, 1254125), (19750, 1068832), (20066, 1052000), (20320, 1038850), (20777, 1016000), (21040, 1003300), (25280, 835025), (25400, 831080), (26300, 802640), (31600, 668020), (31750, 664864), (32875, 642112), (33401, 632000), (39500, 534416), (40132, 526000), (40640, 519425), (41554, 508000), (42080, 501650), (50165, 420800), (50800, 415540), (52600, 401320), (63200, 334010), (63500, 332432), (65750, 321056), (66802, 316000), (79000, 267208), (80264, 263000), (83108, 254000), (84160, 250825), (100330, 210400), (101600, 207770), (103885, 203200), (105200, 200660), (126400, 167005), (127000, 166216), (131500, 160528), (133604, 158000)]