21884746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 38041920

約数和(自身を除く): 16157174

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 739, 871, 1139, 1478, 1742, 2278, 9607, 12563, 14807, 19214, 25126, 29614, 49513, 99026, 163319, 326638, 643669, 841721, 1287338, 1683442, 10942373, 21884746]

約数ペア:

[(1, 21884746), (2, 10942373), (13, 1683442), (17, 1287338), (26, 841721), (34, 643669), (67, 326638), (134, 163319), (221, 99026), (442, 49513), (739, 29614), (871, 25126), (1139, 19214), (1478, 14807), (1742, 12563), (2278, 9607)]