21519862

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{373}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 39961152

約数和(自身を除く): 18441290

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 317, 373, 634, 746, 2219, 2611, 4121, 4438, 4849, 5222, 8242, 9698, 28847, 33943, 57694, 67886, 118241, 236482, 827687, 1537133, 1655374, 3074266, 10759931, 21519862]

約数ペア:

[(1, 21519862), (2, 10759931), (7, 3074266), (13, 1655374), (14, 1537133), (26, 827687), (91, 236482), (182, 118241), (317, 67886), (373, 57694), (634, 33943), (746, 28847), (2219, 9698), (2611, 8242), (4121, 5222), (4438, 4849)]