21173908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44483}}^1$

素因数の和:44511

約数の個数: 24

約数和(自身を含む): 44839872

約数和(自身を除く): 23665964

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44483, 88966, 177932, 311381, 622762, 756211, 1245524, 1512422, 3024844, 5293477, 10586954, 21173908]

約数ペア:

[(1, 21173908), (2, 10586954), (4, 5293477), (7, 3024844), (14, 1512422), (17, 1245524), (28, 756211), (34, 622762), (68, 311381), (119, 177932), (238, 88966), (476, 44483)]