21770450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33493}}^1$

素因数の和:33518

約数の個数: 24

約数和(自身を含む): 43609188

約数和(自身を除く): 21838738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33493, 66986, 167465, 334930, 435409, 837325, 870818, 1674650, 2177045, 4354090, 10885225, 21770450]

約数ペア:

[(1, 21770450), (2, 10885225), (5, 4354090), (10, 2177045), (13, 1674650), (25, 870818), (26, 837325), (50, 435409), (65, 334930), (130, 167465), (325, 66986), (650, 33493)]