21057025900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{10093}}^1$

素因数の和:10811

約数の個数: 72

約数和(自身を含む): 47242504064

約数和(自身を除く): 26185478164

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 673, 775, 1346, 1550, 2692, 3100, 3365, 6730, 10093, 13460, 16825, 20186, 20863, 33650, 40372, 41726, 50465, 67300, 83452, 100930, 104315, 201860, 208630, 252325, 312883, 417260, 504650, 521575, 625766, 1009300, 1043150, 1251532, 1564415, 2086300, 3128830, 6257660, 6792589, 7822075, 13585178, 15644150, 27170356, 31288300, 33962945, 67925890, 135851780, 169814725, 210570259, 339629450, 421140518, 679258900, 842281036, 1052851295, 2105702590, 4211405180, 5264256475, 10528512950, 21057025900]

約数ペア:

[(1, 21057025900), (2, 10528512950), (4, 5264256475), (5, 4211405180), (10, 2105702590), (20, 1052851295), (25, 842281036), (31, 679258900), (50, 421140518), (62, 339629450), (100, 210570259), (124, 169814725), (155, 135851780), (310, 67925890), (620, 33962945), (673, 31288300), (775, 27170356), (1346, 15644150), (1550, 13585178), (2692, 7822075), (3100, 6792589), (3365, 6257660), (6730, 3128830), (10093, 2086300), (13460, 1564415), (16825, 1251532), (20186, 1043150), (20863, 1009300), (33650, 625766), (40372, 521575), (41726, 504650), (50465, 417260), (67300, 312883), (83452, 252325), (100930, 208630), (104315, 201860)]