21005122

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{761}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 32488632

約数和(自身を除く): 11483510

約数列:

[1, 2, 37, 74, 373, 746, 761, 1522, 13801, 27602, 28157, 56314, 283853, 567706, 10502561, 21005122]

約数ペア:

[(1, 21005122), (2, 10502561), (37, 567706), (74, 283853), (373, 56314), (746, 28157), (761, 27602), (1522, 13801)]