21284710

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21943}}^1$

素因数の和:22047

約数の個数: 16

約数和(自身を含む): 38709216

約数和(自身を除く): 17424506

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 21943, 43886, 109715, 219430, 2128471, 4256942, 10642355, 21284710]

約数ペア:

[(1, 21284710), (2, 10642355), (5, 4256942), (10, 2128471), (97, 219430), (194, 109715), (485, 43886), (970, 21943)]