21030338425

素因数分解:

$5^2\times {\mathrm{37}}^2\times {\mathrm{653}}^1\times {\mathrm{941}}^1$

素因数の和:1678

約数の個数: 36

約数和(自身を含む): 26871037956

約数和(自身を除く): 5840699531

約数列:

[1, 5, 25, 37, 185, 653, 925, 941, 1369, 3265, 4705, 6845, 16325, 23525, 24161, 34225, 34817, 120805, 174085, 604025, 614473, 870425, 893957, 1288229, 3072365, 4469785, 6441145, 15361825, 22348925, 22735501, 32205725, 113677505, 568387525, 841213537, 4206067685, 21030338425]

約数ペア:

[(1, 21030338425), (5, 4206067685), (25, 841213537), (37, 568387525), (185, 113677505), (653, 32205725), (925, 22735501), (941, 22348925), (1369, 15361825), (3265, 6441145), (4705, 4469785), (6845, 3072365), (16325, 1288229), (23525, 893957), (24161, 870425), (34225, 614473), (34817, 604025), (120805, 174085)]