21775624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209381}}^1$

素因数の和:209400

約数の個数: 16

約数和(自身を含む): 43970220

約数和(自身を除く): 22194596

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209381, 418762, 837524, 1675048, 2721953, 5443906, 10887812, 21775624]

約数ペア:

[(1, 21775624), (2, 10887812), (4, 5443906), (8, 2721953), (13, 1675048), (26, 837524), (52, 418762), (104, 209381)]