21010768

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11621}}^1$

素因数の和:11742

約数の個数: 20

約数和(自身を含む): 41072148

約数和(自身を除く): 20061380

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11621, 23242, 46484, 92968, 185936, 1313173, 2626346, 5252692, 10505384, 21010768]

約数ペア:

[(1, 21010768), (2, 10505384), (4, 5252692), (8, 2626346), (16, 1313173), (113, 185936), (226, 92968), (452, 46484), (904, 23242), (1808, 11621)]