21890024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210481}}^1$

素因数の和:210500

約数の個数: 16

約数和(自身を含む): 44201220

約数和(自身を除く): 22311196

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210481, 420962, 841924, 1683848, 2736253, 5472506, 10945012, 21890024]

約数ペア:

[(1, 21890024), (2, 10945012), (4, 5472506), (8, 2736253), (13, 1683848), (26, 841924), (52, 420962), (104, 210481)]