21580823044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{490473251}}^1$

素因数の和:490473266

約数の個数: 12

約数和(自身を含む): 41199753168

約数和(自身を除く): 19618930124

約数列:

[1, 2, 4, 11, 22, 44, 490473251, 980946502, 1961893004, 5395205761, 10790411522, 21580823044]

約数ペア:

[(1, 21580823044), (2, 10790411522), (4, 5395205761), (11, 1961893004), (22, 980946502), (44, 490473251)]