21885344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52609}}^1$

素因数の和:52632

約数の個数: 24

約数和(自身を含む): 46402020

約数和(自身を除く): 24516676

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52609, 105218, 210436, 420872, 683917, 841744, 1367834, 1683488, 2735668, 5471336, 10942672, 21885344]

約数ペア:

[(1, 21885344), (2, 10942672), (4, 5471336), (8, 2735668), (13, 1683488), (16, 1367834), (26, 841744), (32, 683917), (52, 420872), (104, 210436), (208, 105218), (416, 52609)]