21497816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4877}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 43902000

約数和(自身を除く): 22404184

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4877, 9754, 19508, 39016, 92663, 141433, 185326, 282866, 370652, 565732, 741304, 1131464, 2687227, 5374454, 10748908, 21497816]

約数ペア:

[(1, 21497816), (2, 10748908), (4, 5374454), (8, 2687227), (19, 1131464), (29, 741304), (38, 565732), (58, 370652), (76, 282866), (116, 185326), (152, 141433), (232, 92663), (551, 39016), (1102, 19508), (2204, 9754), (4408, 4877)]