21660996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257869}}^1$

素因数の和:257883

約数の個数: 24

約数和(自身を含む): 57762880

約数和(自身を除く): 36101884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257869, 515738, 773607, 1031476, 1547214, 1805083, 3094428, 3610166, 5415249, 7220332, 10830498, 21660996]

約数ペア:

[(1, 21660996), (2, 10830498), (3, 7220332), (4, 5415249), (6, 3610166), (7, 3094428), (12, 1805083), (14, 1547214), (21, 1031476), (28, 773607), (42, 515738), (84, 257869)]