21518672

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{839}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 47913600

約数和(自身を除く): 26394928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 839, 916, 1603, 1678, 1832, 3206, 3356, 3664, 5873, 6412, 6712, 11746, 12824, 13424, 23492, 25648, 46984, 93968, 192131, 384262, 768524, 1344917, 1537048, 2689834, 3074096, 5379668, 10759336, 21518672]

約数ペア:

[(1, 21518672), (2, 10759336), (4, 5379668), (7, 3074096), (8, 2689834), (14, 1537048), (16, 1344917), (28, 768524), (56, 384262), (112, 192131), (229, 93968), (458, 46984), (839, 25648), (916, 23492), (1603, 13424), (1678, 12824), (1832, 11746), (3206, 6712), (3356, 6412), (3664, 5873)]