21524643

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1944

約数の個数: 32

約数和(自身を含む): 37061120

約数和(自身を除く): 15536477

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 1867, 3843, 5601, 11529, 13069, 16803, 39207, 50409, 113887, 117621, 341661, 352863, 797209, 1024983, 2391627, 3074949, 7174881, 21524643]

約数ペア:

[(1, 21524643), (3, 7174881), (7, 3074949), (9, 2391627), (21, 1024983), (27, 797209), (61, 352863), (63, 341661), (183, 117621), (189, 113887), (427, 50409), (549, 39207), (1281, 16803), (1647, 13069), (1867, 11529), (3843, 5601)]