21362384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70271}}^1$

素因数の和:70298

約数の個数: 20

約数和(自身を含む): 43568640

約数和(自身を除く): 22206256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70271, 140542, 281084, 562168, 1124336, 1335149, 2670298, 5340596, 10681192, 21362384]

約数ペア:

[(1, 21362384), (2, 10681192), (4, 5340596), (8, 2670298), (16, 1335149), (19, 1124336), (38, 562168), (76, 281084), (152, 140542), (304, 70271)]