21997488

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4283}}^1$

素因数の和:4401

約数の個数: 40

約数和(自身を含む): 57371328

約数和(自身を除く): 35373840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4283, 5136, 8566, 12849, 17132, 25698, 34264, 51396, 68528, 102792, 205584, 458281, 916562, 1374843, 1833124, 2749686, 3666248, 5499372, 7332496, 10998744, 21997488]

約数ペア:

[(1, 21997488), (2, 10998744), (3, 7332496), (4, 5499372), (6, 3666248), (8, 2749686), (12, 1833124), (16, 1374843), (24, 916562), (48, 458281), (107, 205584), (214, 102792), (321, 68528), (428, 51396), (642, 34264), (856, 25698), (1284, 17132), (1712, 12849), (2568, 8566), (4283, 5136)]