21151833

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2239}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 29245440

約数和(自身を除く): 8093607

約数列:

[1, 3, 47, 67, 141, 201, 2239, 3149, 6717, 9447, 105233, 150013, 315699, 450039, 7050611, 21151833]

約数ペア:

[(1, 21151833), (3, 7050611), (47, 450039), (67, 315699), (141, 150013), (201, 105233), (2239, 9447), (3149, 6717)]