21644884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 39062016

約数和(自身を除く): 17417132

約数列:

[1, 2, 4, 41, 82, 164, 191, 382, 691, 764, 1382, 2764, 7831, 15662, 28331, 31324, 56662, 113324, 131981, 263962, 527924, 5411221, 10822442, 21644884]

約数ペア:

[(1, 21644884), (2, 10822442), (4, 5411221), (41, 527924), (82, 263962), (164, 131981), (191, 113324), (382, 56662), (691, 31324), (764, 28331), (1382, 15662), (2764, 7831)]