21373015

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 26477568

約数和(自身を除く): 5104553

約数列:

[1, 5, 47, 103, 235, 515, 883, 4415, 4841, 24205, 41501, 90949, 207505, 454745, 4274603, 21373015]

約数ペア:

[(1, 21373015), (5, 4274603), (47, 454745), (103, 207505), (235, 90949), (515, 41501), (883, 24205), (4415, 4841)]