21431013

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4903}}^1$

素因数の和:4984

約数の個数: 16

約数和(自身を含む): 30130176

約数和(自身を除く): 8699163

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4903, 14709, 151993, 230441, 455979, 691323, 7143671, 21431013]

約数ペア:

[(1, 21431013), (3, 7143671), (31, 691323), (47, 455979), (93, 230441), (141, 151993), (1457, 14709), (4371, 4903)]