21820448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52453}}^1$

素因数の和:52476

約数の個数: 24

約数和(自身を含む): 46264428

約数和(自身を除く): 24443980

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52453, 104906, 209812, 419624, 681889, 839248, 1363778, 1678496, 2727556, 5455112, 10910224, 21820448]

約数ペア:

[(1, 21820448), (2, 10910224), (4, 5455112), (8, 2727556), (13, 1678496), (16, 1363778), (26, 839248), (32, 681889), (52, 419624), (104, 209812), (208, 104906), (416, 52453)]