21735406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 41430528

約数和(自身を除く): 19695122

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 2663, 4081, 5326, 8162, 18641, 29293, 37282, 58586, 141139, 205051, 282278, 410102, 987973, 1552529, 1975946, 3105058, 10867703, 21735406]

約数ペア:

[(1, 21735406), (2, 10867703), (7, 3105058), (11, 1975946), (14, 1552529), (22, 987973), (53, 410102), (77, 282278), (106, 205051), (154, 141139), (371, 58586), (583, 37282), (742, 29293), (1166, 18641), (2663, 8162), (4081, 5326)]