21902568

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 56842560

約数和(自身を除く): 34939992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 67, 106, 134, 159, 201, 212, 257, 268, 318, 402, 424, 514, 536, 636, 771, 804, 1028, 1272, 1542, 1608, 2056, 3084, 3551, 6168, 7102, 10653, 13621, 14204, 17219, 21306, 27242, 28408, 34438, 40863, 42612, 51657, 54484, 68876, 81726, 85224, 103314, 108968, 137752, 163452, 206628, 326904, 413256, 912607, 1825214, 2737821, 3650428, 5475642, 7300856, 10951284, 21902568]

約数ペア:

[(1, 21902568), (2, 10951284), (3, 7300856), (4, 5475642), (6, 3650428), (8, 2737821), (12, 1825214), (24, 912607), (53, 413256), (67, 326904), (106, 206628), (134, 163452), (159, 137752), (201, 108968), (212, 103314), (257, 85224), (268, 81726), (318, 68876), (402, 54484), (424, 51657), (514, 42612), (536, 40863), (636, 34438), (771, 28408), (804, 27242), (1028, 21306), (1272, 17219), (1542, 14204), (1608, 13621), (2056, 10653), (3084, 7102), (3551, 6168)]