21780474

素因数分解:

$2^1\times 3^1\times {\mathrm{167}}^1\times {\mathrm{21737}}^1$

素因数の和:21909

約数の個数: 16

約数和(自身を含む): 43823808

約数和(自身を除く): 22043334

約数列:

[1, 2, 3, 6, 167, 334, 501, 1002, 21737, 43474, 65211, 130422, 3630079, 7260158, 10890237, 21780474]

約数ペア:

[(1, 21780474), (2, 10890237), (3, 7260158), (6, 3630079), (167, 130422), (334, 65211), (501, 43474), (1002, 21737)]