21535800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 78744960

約数和(自身を除く): 57209160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 25, 26, 30, 33, 39, 40, 44, 50, 52, 55, 60, 65, 66, 75, 78, 88, 100, 104, 110, 120, 130, 132, 143, 150, 156, 165, 195, 200, 220, 251, 260, 264, 275, 286, 300, 312, 325, 330, 390, 429, 440, 502, 520, 550, 572, 600, 650, 660, 715, 753, 780, 825, 858, 975, 1004, 1100, 1144, 1255, 1300, 1320, 1430, 1506, 1560, 1650, 1716, 1950, 2008, 2145, 2200, 2510, 2600, 2761, 2860, 3012, 3263, 3300, 3432, 3575, 3765, 3900, 4290, 5020, 5522, 5720, 6024, 6275, 6526, 6600, 7150, 7530, 7800, 8283, 8580, 9789, 10040, 10725, 11044, 12550, 13052, 13805, 14300, 15060, 16315, 16566, 17160, 18825, 19578, 21450, 22088, 25100, 26104, 27610, 28600, 30120, 32630, 33132, 35893, 37650, 39156, 41415, 42900, 48945, 50200, 55220, 65260, 66264, 69025, 71786, 75300, 78312, 81575, 82830, 85800, 97890, 107679, 110440, 130520, 138050, 143572, 150600, 163150, 165660, 179465, 195780, 207075, 215358, 244725, 276100, 287144, 326300, 331320, 358930, 391560, 414150, 430716, 489450, 538395, 552200, 652600, 717860, 828300, 861432, 897325, 978900, 1076790, 1435720, 1656600, 1794650, 1957800, 2153580, 2691975, 3589300, 4307160, 5383950, 7178600, 10767900, 21535800]

約数ペア:

[(1, 21535800), (2, 10767900), (3, 7178600), (4, 5383950), (5, 4307160), (6, 3589300), (8, 2691975), (10, 2153580), (11, 1957800), (12, 1794650), (13, 1656600), (15, 1435720), (20, 1076790), (22, 978900), (24, 897325), (25, 861432), (26, 828300), (30, 717860), (33, 652600), (39, 552200), (40, 538395), (44, 489450), (50, 430716), (52, 414150), (55, 391560), (60, 358930), (65, 331320), (66, 326300), (75, 287144), (78, 276100), (88, 244725), (100, 215358), (104, 207075), (110, 195780), (120, 179465), (130, 165660), (132, 163150), (143, 150600), (150, 143572), (156, 138050), (165, 130520), (195, 110440), (200, 107679), (220, 97890), (251, 85800), (260, 82830), (264, 81575), (275, 78312), (286, 75300), (300, 71786), (312, 69025), (325, 66264), (330, 65260), (390, 55220), (429, 50200), (440, 48945), (502, 42900), (520, 41415), (550, 39156), (572, 37650), (600, 35893), (650, 33132), (660, 32630), (715, 30120), (753, 28600), (780, 27610), (825, 26104), (858, 25100), (975, 22088), (1004, 21450), (1100, 19578), (1144, 18825), (1255, 17160), (1300, 16566), (1320, 16315), (1430, 15060), (1506, 14300), (1560, 13805), (1650, 13052), (1716, 12550), (1950, 11044), (2008, 10725), (2145, 10040), (2200, 9789), (2510, 8580), (2600, 8283), (2761, 7800), (2860, 7530), (3012, 7150), (3263, 6600), (3300, 6526), (3432, 6275), (3575, 6024), (3765, 5720), (3900, 5522), (4290, 5020)]