21869851840

素因数分解:

$2^6\times 5^1\times {\mathrm{68343287}}^1$

素因数の和:68343304

約数の個数: 28

約数和(自身を含む): 52077585456

約数和(自身を除く): 30207733616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68343287, 136686574, 273373148, 341716435, 546746296, 683432870, 1093492592, 1366865740, 2186985184, 2733731480, 4373970368, 5467462960, 10934925920, 21869851840]

約数ペア:

[(1, 21869851840), (2, 10934925920), (4, 5467462960), (5, 4373970368), (8, 2733731480), (10, 2186985184), (16, 1366865740), (20, 1093492592), (32, 683432870), (40, 546746296), (64, 341716435), (80, 273373148), (160, 136686574), (320, 68343287)]