21080494020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20667151}}^1$

素因数の和:20667180

約数の個数: 48

約数和(自身を含む): 62497467648

約数和(自身を除く): 41416973628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20667151, 41334302, 62001453, 82668604, 103335755, 124002906, 206671510, 248005812, 310007265, 351341567, 413343020, 620014530, 702683134, 1054024701, 1240029060, 1405366268, 1756707835, 2108049402, 3513415670, 4216098804, 5270123505, 7026831340, 10540247010, 21080494020]

約数ペア:

[(1, 21080494020), (2, 10540247010), (3, 7026831340), (4, 5270123505), (5, 4216098804), (6, 3513415670), (10, 2108049402), (12, 1756707835), (15, 1405366268), (17, 1240029060), (20, 1054024701), (30, 702683134), (34, 620014530), (51, 413343020), (60, 351341567), (68, 310007265), (85, 248005812), (102, 206671510), (170, 124002906), (204, 103335755), (255, 82668604), (340, 62001453), (510, 41334302), (1020, 20667151)]