21514544

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17021}}^1$

素因数の和:17108

約数の個数: 20

約数和(自身を含む): 42214560

約数和(自身を除く): 20700016

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17021, 34042, 68084, 136168, 272336, 1344659, 2689318, 5378636, 10757272, 21514544]

約数ペア:

[(1, 21514544), (2, 10757272), (4, 5378636), (8, 2689318), (16, 1344659), (79, 272336), (158, 136168), (316, 68084), (632, 34042), (1264, 17021)]