21842631

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 33013760

約数和(自身を除く): 11171129

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 991, 2449, 2973, 7347, 8919, 22041, 30721, 78289, 92163, 234867, 276489, 704601, 2426959, 7280877, 21842631]

約数ペア:

[(1, 21842631), (3, 7280877), (9, 2426959), (31, 704601), (79, 276489), (93, 234867), (237, 92163), (279, 78289), (711, 30721), (991, 22041), (2449, 8919), (2973, 7347)]