21990594

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 45711360

約数和(自身を除く): 23720766

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 191, 382, 573, 619, 1146, 1238, 1857, 3714, 5921, 11842, 17763, 19189, 35526, 38378, 57567, 115134, 118229, 236458, 354687, 709374, 3665099, 7330198, 10995297, 21990594]

約数ペア:

[(1, 21990594), (2, 10995297), (3, 7330198), (6, 3665099), (31, 709374), (62, 354687), (93, 236458), (186, 118229), (191, 115134), (382, 57567), (573, 38378), (619, 35526), (1146, 19189), (1238, 17763), (1857, 11842), (3714, 5921)]