21000565406

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1\times {\mathrm{4967}}^1$

素因数の和:5456

約数の個数: 32

約数和(自身を含む): 32531735808

約数和(自身を除く): 11531170402

約数列:

[1, 2, 43, 86, 211, 233, 422, 466, 4967, 9073, 9934, 10019, 18146, 20038, 49163, 98326, 213581, 427162, 1048037, 1157311, 2096074, 2114009, 2314622, 4228018, 45065591, 49764373, 90131182, 99528746, 244192621, 488385242, 10500282703, 21000565406]

約数ペア:

[(1, 21000565406), (2, 10500282703), (43, 488385242), (86, 244192621), (211, 99528746), (233, 90131182), (422, 49764373), (466, 45065591), (4967, 4228018), (9073, 2314622), (9934, 2114009), (10019, 2096074), (18146, 1157311), (20038, 1048037), (49163, 427162), (98326, 213581)]