21436660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9007}}^1$

素因数の和:9040

約数の個数: 48

約数和(自身を含む): 54480384

約数和(自身を除く): 33043724

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 9007, 18014, 36028, 45035, 63049, 90070, 126098, 153119, 180140, 252196, 306238, 315245, 612476, 630490, 765595, 1071833, 1260980, 1531190, 2143666, 3062380, 4287332, 5359165, 10718330, 21436660]

約数ペア:

[(1, 21436660), (2, 10718330), (4, 5359165), (5, 4287332), (7, 3062380), (10, 2143666), (14, 1531190), (17, 1260980), (20, 1071833), (28, 765595), (34, 630490), (35, 612476), (68, 315245), (70, 306238), (85, 252196), (119, 180140), (140, 153119), (170, 126098), (238, 90070), (340, 63049), (476, 45035), (595, 36028), (1190, 18014), (2380, 9007)]