21450130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165001}}^1$

素因数の和:165021

約数の個数: 16

約数和(自身を含む): 41580504

約数和(自身を除く): 20130374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 165001, 330002, 825005, 1650010, 2145013, 4290026, 10725065, 21450130]

約数ペア:

[(1, 21450130), (2, 10725065), (5, 4290026), (10, 2145013), (13, 1650010), (26, 825005), (65, 330002), (130, 165001)]