21167202470

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{248821}}^1$

素因数の和:249056

約数の個数: 32

約数和(自身を含む): 39126761856

約数和(自身を除く): 17959559386

約数列:

[1, 2, 5, 10, 47, 94, 181, 235, 362, 470, 905, 1810, 8507, 17014, 42535, 85070, 248821, 497642, 1244105, 2488210, 11694587, 23389174, 45036601, 58472935, 90073202, 116945870, 225183005, 450366010, 2116720247, 4233440494, 10583601235, 21167202470]

約数ペア:

[(1, 21167202470), (2, 10583601235), (5, 4233440494), (10, 2116720247), (47, 450366010), (94, 225183005), (181, 116945870), (235, 90073202), (362, 58472935), (470, 45036601), (905, 23389174), (1810, 11694587), (8507, 2488210), (17014, 1244105), (42535, 497642), (85070, 248821)]