21018168

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4357}}^1$

素因数の和:4436

約数の個数: 48

約数和(自身を含む): 57787080

約数和(自身を除く): 36768912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 4357, 4824, 8714, 13071, 17428, 26142, 34856, 39213, 52284, 78426, 104568, 156852, 291919, 313704, 583838, 875757, 1167676, 1751514, 2335352, 2627271, 3503028, 5254542, 7006056, 10509084, 21018168]

約数ペア:

[(1, 21018168), (2, 10509084), (3, 7006056), (4, 5254542), (6, 3503028), (8, 2627271), (9, 2335352), (12, 1751514), (18, 1167676), (24, 875757), (36, 583838), (67, 313704), (72, 291919), (134, 156852), (201, 104568), (268, 78426), (402, 52284), (536, 39213), (603, 34856), (804, 26142), (1206, 17428), (1608, 13071), (2412, 8714), (4357, 4824)]