16921850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2797}}^1$

素因数の和:2831

約数の個数: 36

約数和(自身を含む): 34608462

約数和(自身を除く): 17686612

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 2797, 3025, 5594, 6050, 13985, 27970, 30767, 61534, 69925, 139850, 153835, 307670, 338437, 676874, 769175, 1538350, 1692185, 3384370, 8460925, 16921850]

約数ペア:

[(1, 16921850), (2, 8460925), (5, 3384370), (10, 1692185), (11, 1538350), (22, 769175), (25, 676874), (50, 338437), (55, 307670), (110, 153835), (121, 139850), (242, 69925), (275, 61534), (550, 30767), (605, 27970), (1210, 13985), (2797, 6050), (3025, 5594)]