21881118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1697}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 50206464

約数和(自身を除く): 28325346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 307, 614, 921, 1697, 1842, 2149, 3394, 4298, 5091, 6447, 10182, 11879, 12894, 23758, 35637, 71274, 520979, 1041958, 1562937, 3125874, 3646853, 7293706, 10940559, 21881118]

約数ペア:

[(1, 21881118), (2, 10940559), (3, 7293706), (6, 3646853), (7, 3125874), (14, 1562937), (21, 1041958), (42, 520979), (307, 71274), (614, 35637), (921, 23758), (1697, 12894), (1842, 11879), (2149, 10182), (3394, 6447), (4298, 5091)]