21098568

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13121}}^1$

素因数の和:13197

約数の個数: 32

約数和(自身を含む): 53537760

約数和(自身を除く): 32439192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13121, 26242, 39363, 52484, 78726, 104968, 157452, 314904, 879107, 1758214, 2637321, 3516428, 5274642, 7032856, 10549284, 21098568]

約数ペア:

[(1, 21098568), (2, 10549284), (3, 7032856), (4, 5274642), (6, 3516428), (8, 2637321), (12, 1758214), (24, 879107), (67, 314904), (134, 157452), (201, 104968), (268, 78726), (402, 52484), (536, 39363), (804, 26242), (1608, 13121)]