21306592

素因数分解:

$2^5\times {\mathrm{811}}^1\times {\mathrm{821}}^1$

素因数の和:1642

約数の個数: 24

約数和(自身を含む): 42050232

約数和(自身を除く): 20743640

約数列:

[1, 2, 4, 8, 16, 32, 811, 821, 1622, 1642, 3244, 3284, 6488, 6568, 12976, 13136, 25952, 26272, 665831, 1331662, 2663324, 5326648, 10653296, 21306592]

約数ペア:

[(1, 21306592), (2, 10653296), (4, 5326648), (8, 2663324), (16, 1331662), (32, 665831), (811, 26272), (821, 25952), (1622, 13136), (1642, 12976), (3244, 6568), (3284, 6488)]