21195512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8861}}^1$

素因数の和:8903

約数の個数: 32

約数和(自身を含む): 44664480

約数和(自身を除く): 23468968

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8861, 17722, 35444, 70888, 115193, 203803, 230386, 407606, 460772, 815212, 921544, 1630424, 2649439, 5298878, 10597756, 21195512]

約数ペア:

[(1, 21195512), (2, 10597756), (4, 5298878), (8, 2649439), (13, 1630424), (23, 921544), (26, 815212), (46, 460772), (52, 407606), (92, 230386), (104, 203803), (184, 115193), (299, 70888), (598, 35444), (1196, 17722), (2392, 8861)]