21086078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 36542016

約数和(自身を除く): 15455938

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 481, 598, 851, 953, 962, 1702, 1906, 11063, 12389, 21919, 22126, 24778, 35261, 43838, 70522, 284947, 458393, 569894, 811003, 916786, 1622006, 10543039, 21086078]

約数ペア:

[(1, 21086078), (2, 10543039), (13, 1622006), (23, 916786), (26, 811003), (37, 569894), (46, 458393), (74, 284947), (299, 70522), (481, 43838), (598, 35261), (851, 24778), (953, 22126), (962, 21919), (1702, 12389), (1906, 11063)]