21811938

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 44914176

約数和(自身を除く): 23102238

約数列:

[1, 2, 3, 6, 53, 106, 113, 159, 226, 318, 339, 607, 678, 1214, 1821, 3642, 5989, 11978, 17967, 32171, 35934, 64342, 68591, 96513, 137182, 193026, 205773, 411546, 3635323, 7270646, 10905969, 21811938]

約数ペア:

[(1, 21811938), (2, 10905969), (3, 7270646), (6, 3635323), (53, 411546), (106, 205773), (113, 193026), (159, 137182), (226, 96513), (318, 68591), (339, 64342), (607, 35934), (678, 32171), (1214, 17967), (1821, 11978), (3642, 5989)]