21437512

素因数分解:

$2^3\times {\mathrm{1181}}^1\times {\mathrm{2269}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 40247100

約数和(自身を除く): 18809588

約数列:

[1, 2, 4, 8, 1181, 2269, 2362, 4538, 4724, 9076, 9448, 18152, 2679689, 5359378, 10718756, 21437512]

約数ペア:

[(1, 21437512), (2, 10718756), (4, 5359378), (8, 2679689), (1181, 18152), (2269, 9448), (2362, 9076), (4538, 4724)]