21742854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6553}}^1$

素因数の和:6644

約数の個数: 32

約数和(自身を含む): 50334720

約数和(自身を除く): 28591866

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6553, 13106, 19659, 39318, 45871, 91742, 137613, 275226, 517687, 1035374, 1553061, 3106122, 3623809, 7247618, 10871427, 21742854]

約数ペア:

[(1, 21742854), (2, 10871427), (3, 7247618), (6, 3623809), (7, 3106122), (14, 1553061), (21, 1035374), (42, 517687), (79, 275226), (158, 137613), (237, 91742), (474, 45871), (553, 39318), (1106, 19659), (1659, 13106), (3318, 6553)]