21423416

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2347}}^1$

素因数の和:2523

約数の個数: 32

約数和(自身を含む): 46208640

約数和(自身を除く): 24785224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 2347, 4564, 4694, 9128, 9388, 16429, 18776, 32858, 65716, 131432, 382561, 765122, 1530244, 2677927, 3060488, 5355854, 10711708, 21423416]

約数ペア:

[(1, 21423416), (2, 10711708), (4, 5355854), (7, 3060488), (8, 2677927), (14, 1530244), (28, 765122), (56, 382561), (163, 131432), (326, 65716), (652, 32858), (1141, 18776), (1304, 16429), (2282, 9388), (2347, 9128), (4564, 4694)]