21876946

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 19104302

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1693, 1846, 3386, 6461, 11851, 12922, 22009, 23702, 44018, 120203, 154063, 240406, 308126, 841421, 1562639, 1682842, 3125278, 10938473, 21876946]

約数ペア:

[(1, 21876946), (2, 10938473), (7, 3125278), (13, 1682842), (14, 1562639), (26, 841421), (71, 308126), (91, 240406), (142, 154063), (182, 120203), (497, 44018), (923, 23702), (994, 22009), (1693, 12922), (1846, 11851), (3386, 6461)]