21321950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32803}}^1$

素因数の和:32828

約数の個数: 24

約数和(自身を含む): 42710808

約数和(自身を除く): 21388858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32803, 65606, 164015, 328030, 426439, 820075, 852878, 1640150, 2132195, 4264390, 10660975, 21321950]

約数ペア:

[(1, 21321950), (2, 10660975), (5, 4264390), (10, 2132195), (13, 1640150), (25, 852878), (26, 820075), (50, 426439), (65, 328030), (130, 164015), (325, 65606), (650, 32803)]