21760750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 45759168

約数和(自身を除く): 23998418

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 125, 193, 205, 250, 275, 386, 410, 451, 550, 902, 965, 1025, 1375, 1930, 2050, 2123, 2255, 2750, 4246, 4510, 4825, 5125, 7913, 9650, 10250, 10615, 11275, 15826, 21230, 22550, 24125, 39565, 48250, 53075, 56375, 79130, 87043, 106150, 112750, 174086, 197825, 265375, 395650, 435215, 530750, 870430, 989125, 1978250, 2176075, 4352150, 10880375, 21760750]

約数ペア:

[(1, 21760750), (2, 10880375), (5, 4352150), (10, 2176075), (11, 1978250), (22, 989125), (25, 870430), (41, 530750), (50, 435215), (55, 395650), (82, 265375), (110, 197825), (125, 174086), (193, 112750), (205, 106150), (250, 87043), (275, 79130), (386, 56375), (410, 53075), (451, 48250), (550, 39565), (902, 24125), (965, 22550), (1025, 21230), (1375, 15826), (1930, 11275), (2050, 10615), (2123, 10250), (2255, 9650), (2750, 7913), (4246, 5125), (4510, 4825)]