21065550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 96

約数和(自身を含む): 60424704

約数和(自身を除く): 39359154

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 50, 51, 55, 66, 75, 85, 102, 110, 150, 165, 170, 187, 255, 275, 330, 374, 425, 510, 550, 561, 751, 825, 850, 935, 1122, 1275, 1502, 1650, 1870, 2253, 2550, 2805, 3755, 4506, 4675, 5610, 7510, 8261, 9350, 11265, 12767, 14025, 16522, 18775, 22530, 24783, 25534, 28050, 37550, 38301, 41305, 49566, 56325, 63835, 76602, 82610, 112650, 123915, 127670, 140437, 191505, 206525, 247830, 280874, 319175, 383010, 413050, 421311, 619575, 638350, 702185, 842622, 957525, 1239150, 1404370, 1915050, 2106555, 3510925, 4213110, 7021850, 10532775, 21065550]

約数ペア:

[(1, 21065550), (2, 10532775), (3, 7021850), (5, 4213110), (6, 3510925), (10, 2106555), (11, 1915050), (15, 1404370), (17, 1239150), (22, 957525), (25, 842622), (30, 702185), (33, 638350), (34, 619575), (50, 421311), (51, 413050), (55, 383010), (66, 319175), (75, 280874), (85, 247830), (102, 206525), (110, 191505), (150, 140437), (165, 127670), (170, 123915), (187, 112650), (255, 82610), (275, 76602), (330, 63835), (374, 56325), (425, 49566), (510, 41305), (550, 38301), (561, 37550), (751, 28050), (825, 25534), (850, 24783), (935, 22530), (1122, 18775), (1275, 16522), (1502, 14025), (1650, 12767), (1870, 11265), (2253, 9350), (2550, 8261), (2805, 7510), (3755, 5610), (4506, 4675)]