21524168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 41952000

約数和(自身を除く): 20427832

約数列:

[1, 2, 4, 8, 31, 62, 124, 229, 248, 379, 458, 758, 916, 1516, 1832, 3032, 7099, 11749, 14198, 23498, 28396, 46996, 56792, 86791, 93992, 173582, 347164, 694328, 2690521, 5381042, 10762084, 21524168]

約数ペア:

[(1, 21524168), (2, 10762084), (4, 5381042), (8, 2690521), (31, 694328), (62, 347164), (124, 173582), (229, 93992), (248, 86791), (379, 56792), (458, 46996), (758, 28396), (916, 23498), (1516, 14198), (1832, 11749), (3032, 7099)]