21225652

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14303}}^1$

素因数の和:14367

約数の個数: 24

約数和(自身を含む): 43255296

約数和(自身を除く): 22029644

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14303, 28606, 57212, 100121, 200242, 400484, 758059, 1516118, 3032236, 5306413, 10612826, 21225652]

約数ペア:

[(1, 21225652), (2, 10612826), (4, 5306413), (7, 3032236), (14, 1516118), (28, 758059), (53, 400484), (106, 200242), (212, 100121), (371, 57212), (742, 28606), (1484, 14303)]