21121938

素因数分解:

$2^1\times 3^3\times {\mathrm{599}}^1\times {\mathrm{653}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 25966062

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 599, 653, 1198, 1306, 1797, 1959, 3594, 3918, 5391, 5877, 10782, 11754, 16173, 17631, 32346, 35262, 391147, 782294, 1173441, 2346882, 3520323, 7040646, 10560969, 21121938]

約数ペア:

[(1, 21121938), (2, 10560969), (3, 7040646), (6, 3520323), (9, 2346882), (18, 1173441), (27, 782294), (54, 391147), (599, 35262), (653, 32346), (1198, 17631), (1306, 16173), (1797, 11754), (1959, 10782), (3594, 5877), (3918, 5391)]