21307566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5023}}^1$

素因数の和:5136

約数の個数: 32

約数和(自身を含む): 49195008

約数和(自身を除く): 27887442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 5023, 10046, 15069, 30138, 35161, 70322, 105483, 210966, 507323, 1014646, 1521969, 3043938, 3551261, 7102522, 10653783, 21307566]

約数ペア:

[(1, 21307566), (2, 10653783), (3, 7102522), (6, 3551261), (7, 3043938), (14, 1521969), (21, 1014646), (42, 507323), (101, 210966), (202, 105483), (303, 70322), (606, 35161), (707, 30138), (1414, 15069), (2121, 10046), (4242, 5023)]