20921574

素因数分解:

$2^1\times 3^1\times {\mathrm{281}}^1\times {\mathrm{12409}}^1$

素因数の和:12695

約数の個数: 16

約数和(自身を含む): 41995440

約数和(自身を除く): 21073866

約数列:

[1, 2, 3, 6, 281, 562, 843, 1686, 12409, 24818, 37227, 74454, 3486929, 6973858, 10460787, 20921574]

約数ペア:

[(1, 20921574), (2, 10460787), (3, 6973858), (6, 3486929), (281, 74454), (562, 37227), (843, 24818), (1686, 12409)]