21729631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6883}}^1$

素因数の和:6942

約数の個数: 16

約数和(自身を含む): 27756288

約数和(自身を除く): 6026657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6883, 48181, 75713, 282203, 529991, 1975421, 3104233, 21729631]

約数ペア:

[(1, 21729631), (7, 3104233), (11, 1975421), (41, 529991), (77, 282203), (287, 75713), (451, 48181), (3157, 6883)]