21562090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{929}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 42586560

約数和(自身を除く): 21024470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 929, 1055, 1858, 2110, 2321, 4642, 4645, 9290, 10219, 11605, 20438, 23210, 51095, 102190, 196019, 392038, 980095, 1960190, 2156209, 4312418, 10781045, 21562090]

約数ペア:

[(1, 21562090), (2, 10781045), (5, 4312418), (10, 2156209), (11, 1960190), (22, 980095), (55, 392038), (110, 196019), (211, 102190), (422, 51095), (929, 23210), (1055, 20438), (1858, 11605), (2110, 10219), (2321, 9290), (4642, 4645)]