21939450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11251}}^1$

素因数の和:11279

約数の個数: 48

約数和(自身を含む): 58600416

約数和(自身を除く): 36660966

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11251, 22502, 33753, 56255, 67506, 112510, 146263, 168765, 281275, 292526, 337530, 438789, 562550, 731315, 843825, 877578, 1462630, 1687650, 2193945, 3656575, 4387890, 7313150, 10969725, 21939450]

約数ペア:

[(1, 21939450), (2, 10969725), (3, 7313150), (5, 4387890), (6, 3656575), (10, 2193945), (13, 1687650), (15, 1462630), (25, 877578), (26, 843825), (30, 731315), (39, 562550), (50, 438789), (65, 337530), (75, 292526), (78, 281275), (130, 168765), (150, 146263), (195, 112510), (325, 67506), (390, 56255), (650, 33753), (975, 22502), (1950, 11251)]