21000455250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{2861}}^1\times {\mathrm{9787}}^1$

素因数の和:12668

約数の個数: 64

約数和(自身を含む): 52440815232

約数和(自身を除く): 31440359982

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 2861, 5722, 8583, 9787, 14305, 17166, 19574, 28610, 29361, 42915, 48935, 58722, 71525, 85830, 97870, 143050, 146805, 214575, 244675, 293610, 357625, 429150, 489350, 715250, 734025, 1072875, 1223375, 1468050, 2145750, 2446750, 3670125, 7340250, 28000607, 56001214, 84001821, 140003035, 168003642, 280006070, 420009105, 700015175, 840018210, 1400030350, 2100045525, 3500075875, 4200091050, 7000151750, 10500227625, 21000455250]

約数ペア:

[(1, 21000455250), (2, 10500227625), (3, 7000151750), (5, 4200091050), (6, 3500075875), (10, 2100045525), (15, 1400030350), (25, 840018210), (30, 700015175), (50, 420009105), (75, 280006070), (125, 168003642), (150, 140003035), (250, 84001821), (375, 56001214), (750, 28000607), (2861, 7340250), (5722, 3670125), (8583, 2446750), (9787, 2145750), (14305, 1468050), (17166, 1223375), (19574, 1072875), (28610, 734025), (29361, 715250), (42915, 489350), (48935, 429150), (58722, 357625), (71525, 293610), (85830, 244675), (97870, 214575), (143050, 146805)]