21297112

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{45121}}^1$

素因数の和:45186

約数の個数: 16

約数和(自身を含む): 40609800

約数和(自身を除く): 19312688

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 45121, 90242, 180484, 360968, 2662139, 5324278, 10648556, 21297112]

約数ペア:

[(1, 21297112), (2, 10648556), (4, 5324278), (8, 2662139), (59, 360968), (118, 180484), (236, 90242), (472, 45121)]