21167691530

素因数分解:

$2^1\times 5^1\times {\mathrm{74779}}^1\times {\mathrm{28307}}^1$

素因数の和:103093

約数の個数: 16

約数和(自身を含む): 38103700320

約数和(自身を除く): 16936008790

約数列:

[1, 2, 5, 10, 28307, 56614, 74779, 141535, 149558, 283070, 373895, 747790, 2116769153, 4233538306, 10583845765, 21167691530]

約数ペア:

[(1, 21167691530), (2, 10583845765), (5, 4233538306), (10, 2116769153), (28307, 747790), (56614, 373895), (74779, 283070), (141535, 149558)]