21026360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14207}}^1$

素因数の和:14255

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 27565000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14207, 28414, 56828, 71035, 113656, 142070, 284140, 525659, 568280, 1051318, 2102636, 2628295, 4205272, 5256590, 10513180, 21026360]

約数ペア:

[(1, 21026360), (2, 10513180), (4, 5256590), (5, 4205272), (8, 2628295), (10, 2102636), (20, 1051318), (37, 568280), (40, 525659), (74, 284140), (148, 142070), (185, 113656), (296, 71035), (370, 56828), (740, 28414), (1480, 14207)]