21000481190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161542163}}^1$

素因数の和:161542183

約数の個数: 16

約数和(自身を含む): 40708625328

約数和(自身を除く): 19708144138

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 161542163, 323084326, 807710815, 1615421630, 2100048119, 4200096238, 10500240595, 21000481190]

約数ペア:

[(1, 21000481190), (2, 10500240595), (5, 4200096238), (10, 2100048119), (13, 1615421630), (26, 807710815), (65, 323084326), (130, 161542163)]