21228248

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33589}}^1$

素因数の和:33674

約数の個数: 16

約数和(自身を含む): 40308000

約数和(自身を除く): 19079752

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33589, 67178, 134356, 268712, 2653531, 5307062, 10614124, 21228248]

約数ペア:

[(1, 21228248), (2, 10614124), (4, 5307062), (8, 2653531), (79, 268712), (158, 134356), (316, 67178), (632, 33589)]