21528448

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 43452000

約数和(自身を除く): 21923552

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2129, 2528, 4258, 5056, 8516, 10112, 17032, 34064, 68128, 136256, 168191, 272512, 336382, 672764, 1345528, 2691056, 5382112, 10764224, 21528448]

約数ペア:

[(1, 21528448), (2, 10764224), (4, 5382112), (8, 2691056), (16, 1345528), (32, 672764), (64, 336382), (79, 272512), (128, 168191), (158, 136256), (316, 68128), (632, 34064), (1264, 17032), (2129, 10112), (2528, 8516), (4258, 5056)]