21545932

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 38591280

約数和(自身を除く): 17045348

約数列:

[1, 2, 4, 61, 122, 227, 244, 389, 454, 778, 908, 1556, 13847, 23729, 27694, 47458, 55388, 88303, 94916, 176606, 353212, 5386483, 10772966, 21545932]

約数ペア:

[(1, 21545932), (2, 10772966), (4, 5386483), (61, 353212), (122, 176606), (227, 94916), (244, 88303), (389, 55388), (454, 47458), (778, 27694), (908, 23729), (1556, 13847)]