21911512

素因数分解:

$2^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1049}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 25212488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373, 746, 1049, 1492, 2098, 2611, 2984, 4196, 5222, 7343, 8392, 10444, 14686, 20888, 29372, 58744, 391277, 782554, 1565108, 2738939, 3130216, 5477878, 10955756, 21911512]

約数ペア:

[(1, 21911512), (2, 10955756), (4, 5477878), (7, 3130216), (8, 2738939), (14, 1565108), (28, 782554), (56, 391277), (373, 58744), (746, 29372), (1049, 20888), (1492, 14686), (2098, 10444), (2611, 8392), (2984, 7343), (4196, 5222)]