21534740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29101}}^1$

素因数の和:29147

約数の個数: 24

約数和(自身を含む): 46446792

約数和(自身を除く): 24912052

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 29101, 58202, 116404, 145505, 291010, 582020, 1076737, 2153474, 4306948, 5383685, 10767370, 21534740]

約数ペア:

[(1, 21534740), (2, 10767370), (4, 5383685), (5, 4306948), (10, 2153474), (20, 1076737), (37, 582020), (74, 291010), (148, 145505), (185, 116404), (370, 58202), (740, 29101)]