21000815456

素因数分解:

$2^5\times {\mathrm{3313}}^1\times {\mathrm{198091}}^1$

素因数の和:201414

約数の個数: 24

約数和(自身を含む): 41358043944

約数和(自身を除く): 20357228488

約数列:

[1, 2, 4, 8, 16, 32, 3313, 6626, 13252, 26504, 53008, 106016, 198091, 396182, 792364, 1584728, 3169456, 6338912, 656275483, 1312550966, 2625101932, 5250203864, 10500407728, 21000815456]

約数ペア:

[(1, 21000815456), (2, 10500407728), (4, 5250203864), (8, 2625101932), (16, 1312550966), (32, 656275483), (3313, 6338912), (6626, 3169456), (13252, 1584728), (26504, 792364), (53008, 396182), (106016, 198091)]