21197200320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{5261}}^1$

素因数の和:6683

約数の個数: 168

約数和(自身を含む): 72975520800

約数和(自身を除く): 51778320480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1399, 1440, 2798, 2880, 4197, 5261, 5596, 6995, 8394, 10522, 11192, 12591, 13990, 15783, 16788, 20985, 21044, 22384, 25182, 26305, 27980, 31566, 33576, 41970, 42088, 44768, 47349, 50364, 52610, 55960, 62955, 63132, 67152, 78915, 83940, 84176, 89536, 94698, 100728, 105220, 111920, 125910, 126264, 134304, 157830, 167880, 168352, 189396, 201456, 210440, 223840, 236745, 251820, 252528, 268608, 315660, 335760, 336704, 378792, 402912, 420880, 447680, 473490, 503640, 505056, 631320, 671520, 757584, 805824, 841760, 946980, 1007280, 1010112, 1262640, 1343040, 1515168, 1683520, 1893960, 2014560, 2525280, 3030336, 3787920, 4029120, 5050560, 7360139, 7575840, 14720278, 15151680, 22080417, 29440556, 36800695, 44160834, 58881112, 66241251, 73601390, 88321668, 110402085, 117762224, 132482502, 147202780, 176643336, 220804170, 235524448, 264965004, 294405560, 331206255, 353286672, 441608340, 471048896, 529930008, 588811120, 662412510, 706573344, 883216680, 1059860016, 1177622240, 1324825020, 1413146688, 1766433360, 2119720032, 2355244480, 2649650040, 3532866720, 4239440064, 5299300080, 7065733440, 10598600160, 21197200320]

約数ペア:

[(1, 21197200320), (2, 10598600160), (3, 7065733440), (4, 5299300080), (5, 4239440064), (6, 3532866720), (8, 2649650040), (9, 2355244480), (10, 2119720032), (12, 1766433360), (15, 1413146688), (16, 1324825020), (18, 1177622240), (20, 1059860016), (24, 883216680), (30, 706573344), (32, 662412510), (36, 588811120), (40, 529930008), (45, 471048896), (48, 441608340), (60, 353286672), (64, 331206255), (72, 294405560), (80, 264965004), (90, 235524448), (96, 220804170), (120, 176643336), (144, 147202780), (160, 132482502), (180, 117762224), (192, 110402085), (240, 88321668), (288, 73601390), (320, 66241251), (360, 58881112), (480, 44160834), (576, 36800695), (720, 29440556), (960, 22080417), (1399, 15151680), (1440, 14720278), (2798, 7575840), (2880, 7360139), (4197, 5050560), (5261, 4029120), (5596, 3787920), (6995, 3030336), (8394, 2525280), (10522, 2014560), (11192, 1893960), (12591, 1683520), (13990, 1515168), (15783, 1343040), (16788, 1262640), (20985, 1010112), (21044, 1007280), (22384, 946980), (25182, 841760), (26305, 805824), (27980, 757584), (31566, 671520), (33576, 631320), (41970, 505056), (42088, 503640), (44768, 473490), (47349, 447680), (50364, 420880), (52610, 402912), (55960, 378792), (62955, 336704), (63132, 335760), (67152, 315660), (78915, 268608), (83940, 252528), (84176, 251820), (89536, 236745), (94698, 223840), (100728, 210440), (105220, 201456), (111920, 189396), (125910, 168352), (126264, 167880), (134304, 157830)]