21902080347

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2186491}}^1$

素因数の和:2186560

約数の個数: 32

約数和(自身を含む): 37782581760

約数和(自身を除く): 15880501413

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 2186491, 6559473, 15305437, 19678419, 45916311, 59035257, 115884023, 137748933, 347652069, 413246799, 811188161, 1042956207, 2433564483, 3128868621, 7300693449, 21902080347]

約数ペア:

[(1, 21902080347), (3, 7300693449), (7, 3128868621), (9, 2433564483), (21, 1042956207), (27, 811188161), (53, 413246799), (63, 347652069), (159, 137748933), (189, 115884023), (371, 59035257), (477, 45916311), (1113, 19678419), (1431, 15305437), (3339, 6559473), (10017, 2186491)]