21167978625

素因数分解:

$3^2\times 5^3\times {\mathrm{3929}}^1\times {\mathrm{4789}}^1$

素因数の和:8739

約数の個数: 48

約数和(自身を含む): 38176491600

約数和(自身を除く): 17008512975

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 3929, 4789, 11787, 14367, 19645, 23945, 35361, 43101, 58935, 71835, 98225, 119725, 176805, 215505, 294675, 359175, 491125, 598625, 884025, 1077525, 1473375, 1795875, 4420125, 5387625, 18815981, 56447943, 94079905, 169343829, 282239715, 470399525, 846719145, 1411198575, 2351997625, 4233595725, 7055992875, 21167978625]

約数ペア:

[(1, 21167978625), (3, 7055992875), (5, 4233595725), (9, 2351997625), (15, 1411198575), (25, 846719145), (45, 470399525), (75, 282239715), (125, 169343829), (225, 94079905), (375, 56447943), (1125, 18815981), (3929, 5387625), (4789, 4420125), (11787, 1795875), (14367, 1473375), (19645, 1077525), (23945, 884025), (35361, 598625), (43101, 491125), (58935, 359175), (71835, 294675), (98225, 215505), (119725, 176805)]