21595372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 20861588

約数列:

[1, 2, 4, 17, 29, 34, 47, 58, 68, 94, 116, 188, 233, 466, 493, 799, 932, 986, 1363, 1598, 1972, 2726, 3196, 3961, 5452, 6757, 7922, 10951, 13514, 15844, 21902, 23171, 27028, 43804, 46342, 92684, 114869, 186167, 229738, 317579, 372334, 459476, 635158, 744668, 1270316, 5398843, 10797686, 21595372]

約数ペア:

[(1, 21595372), (2, 10797686), (4, 5398843), (17, 1270316), (29, 744668), (34, 635158), (47, 459476), (58, 372334), (68, 317579), (94, 229738), (116, 186167), (188, 114869), (233, 92684), (466, 46342), (493, 43804), (799, 27028), (932, 23171), (986, 21902), (1363, 15844), (1598, 13514), (1972, 10951), (2726, 7922), (3196, 6757), (3961, 5452)]