21382124

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 39771648

約数和(自身を除く): 18389524

約数列:

[1, 2, 4, 17, 34, 68, 383, 766, 821, 1532, 1642, 3284, 6511, 13022, 13957, 26044, 27914, 55828, 314443, 628886, 1257772, 5345531, 10691062, 21382124]

約数ペア:

[(1, 21382124), (2, 10691062), (4, 5345531), (17, 1257772), (34, 628886), (68, 314443), (383, 55828), (766, 27914), (821, 26044), (1532, 13957), (1642, 13022), (3284, 6511)]