21027734

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3727}}^1$

素因数の和:3780

約数の個数: 32

約数和(自身を含む): 40083456

約数和(自身を除く): 19055722

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3727, 5642, 7454, 26089, 48451, 52178, 96902, 115537, 231074, 339157, 678314, 808759, 1501981, 1617518, 3003962, 10513867, 21027734]

約数ペア:

[(1, 21027734), (2, 10513867), (7, 3003962), (13, 1617518), (14, 1501981), (26, 808759), (31, 678314), (62, 339157), (91, 231074), (182, 115537), (217, 96902), (403, 52178), (434, 48451), (806, 26089), (2821, 7454), (3727, 5642)]