21274329

素因数分解:

$3^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 28814400

約数和(自身を除く): 7540071

約数列:

[1, 3, 173, 179, 229, 519, 537, 687, 30967, 39617, 40991, 92901, 118851, 122973, 7091443, 21274329]

約数ペア:

[(1, 21274329), (3, 7091443), (173, 122973), (179, 118851), (229, 92901), (519, 40991), (537, 39617), (687, 30967)]