21216692

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2099}}^1$

素因数の和:2148

約数の個数: 36

約数和(自身を含む): 44805600

約数和(自身を除く): 23588908

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2099, 2527, 4198, 5054, 8396, 10108, 14693, 29386, 39881, 58772, 79762, 159524, 279167, 558334, 757739, 1116668, 1515478, 3030956, 5304173, 10608346, 21216692]

約数ペア:

[(1, 21216692), (2, 10608346), (4, 5304173), (7, 3030956), (14, 1515478), (19, 1116668), (28, 757739), (38, 558334), (76, 279167), (133, 159524), (266, 79762), (361, 58772), (532, 39881), (722, 29386), (1444, 14693), (2099, 10108), (2527, 8396), (4198, 5054)]