21035091

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 35836416

約数和(自身を除く): 14801325

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2221, 3157, 6663, 9471, 15547, 24431, 46641, 73293, 91061, 171017, 273183, 513051, 637427, 1001671, 1912281, 3005013, 7011697, 21035091]

約数ペア:

[(1, 21035091), (3, 7011697), (7, 3005013), (11, 1912281), (21, 1001671), (33, 637427), (41, 513051), (77, 273183), (123, 171017), (231, 91061), (287, 73293), (451, 46641), (861, 24431), (1353, 15547), (2221, 9471), (3157, 6663)]