21574904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12203}}^1$

素因数の和:12239

約数の個数: 32

約数和(自身を含む): 46131120

約数和(自身を除く): 24556216

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 12203, 24406, 48812, 97624, 158639, 207451, 317278, 414902, 634556, 829804, 1269112, 1659608, 2696863, 5393726, 10787452, 21574904]

約数ペア:

[(1, 21574904), (2, 10787452), (4, 5393726), (8, 2696863), (13, 1659608), (17, 1269112), (26, 829804), (34, 634556), (52, 414902), (68, 317278), (104, 207451), (136, 158639), (221, 97624), (442, 48812), (884, 24406), (1768, 12203)]