21105966

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71789}}^1$

素因数の和:71808

約数の個数: 24

約数和(自身を含む): 49104360

約数和(自身を除く): 27998394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71789, 143578, 215367, 430734, 502523, 1005046, 1507569, 3015138, 3517661, 7035322, 10552983, 21105966]

約数ペア:

[(1, 21105966), (2, 10552983), (3, 7035322), (6, 3517661), (7, 3015138), (14, 1507569), (21, 1005046), (42, 502523), (49, 430734), (98, 215367), (147, 143578), (294, 71789)]