21515509

素因数分解:

${\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 22825152

約数和(自身を除く): 1309643

約数列:

[1, 53, 67, 73, 83, 3551, 3869, 4399, 4891, 5561, 6059, 259223, 294733, 321127, 405953, 21515509]

約数ペア:

[(1, 21515509), (53, 405953), (67, 321127), (73, 294733), (83, 259223), (3551, 6059), (3869, 5561), (4399, 4891)]