21516702

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1091}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 24085218

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 173, 346, 519, 1038, 1091, 2182, 3273, 3287, 6546, 6574, 9861, 19722, 20729, 41458, 62187, 124374, 188743, 377486, 566229, 1132458, 3586117, 7172234, 10758351, 21516702]

約数ペア:

[(1, 21516702), (2, 10758351), (3, 7172234), (6, 3586117), (19, 1132458), (38, 566229), (57, 377486), (114, 188743), (173, 124374), (346, 62187), (519, 41458), (1038, 20729), (1091, 19722), (2182, 9861), (3273, 6574), (3287, 6546)]