21957738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{751}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 48079872

約数和(自身を除く): 26122134

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 443, 751, 886, 1329, 1502, 2253, 2658, 4506, 4873, 8261, 9746, 14619, 16522, 24783, 29238, 49566, 332693, 665386, 998079, 1996158, 3659623, 7319246, 10978869, 21957738]

約数ペア:

[(1, 21957738), (2, 10978869), (3, 7319246), (6, 3659623), (11, 1996158), (22, 998079), (33, 665386), (66, 332693), (443, 49566), (751, 29238), (886, 24783), (1329, 16522), (1502, 14619), (2253, 9746), (2658, 8261), (4506, 4873)]