21228832

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12517}}^1$

素因数の和:12580

約数の個数: 24

約数和(自身を含む): 42586236

約数和(自身を除く): 21357404

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12517, 25034, 50068, 100136, 200272, 400544, 663401, 1326802, 2653604, 5307208, 10614416, 21228832]

約数ペア:

[(1, 21228832), (2, 10614416), (4, 5307208), (8, 2653604), (16, 1326802), (32, 663401), (53, 400544), (106, 200272), (212, 100136), (424, 50068), (848, 25034), (1696, 12517)]