21013566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12203}}^1$

素因数の和:12256

約数の個数: 32

約数和(自身を含む): 49206528

約数和(自身を除く): 28192962

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12203, 24406, 36609, 73218, 85421, 170842, 256263, 500323, 512526, 1000646, 1500969, 3001938, 3502261, 7004522, 10506783, 21013566]

約数ペア:

[(1, 21013566), (2, 10506783), (3, 7004522), (6, 3502261), (7, 3001938), (14, 1500969), (21, 1000646), (41, 512526), (42, 500323), (82, 256263), (123, 170842), (246, 85421), (287, 73218), (574, 36609), (861, 24406), (1722, 12203)]