21589500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 64733760

約数和(自身を除く): 43144260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 125, 148, 150, 185, 222, 250, 300, 370, 375, 389, 444, 500, 555, 740, 750, 778, 925, 1110, 1167, 1500, 1556, 1850, 1945, 2220, 2334, 2775, 3700, 3890, 4625, 4668, 5550, 5835, 7780, 9250, 9725, 11100, 11670, 13875, 14393, 18500, 19450, 23340, 27750, 28786, 29175, 38900, 43179, 48625, 55500, 57572, 58350, 71965, 86358, 97250, 116700, 143930, 145875, 172716, 194500, 215895, 287860, 291750, 359825, 431790, 583500, 719650, 863580, 1079475, 1439300, 1799125, 2158950, 3598250, 4317900, 5397375, 7196500, 10794750, 21589500]

約数ペア:

[(1, 21589500), (2, 10794750), (3, 7196500), (4, 5397375), (5, 4317900), (6, 3598250), (10, 2158950), (12, 1799125), (15, 1439300), (20, 1079475), (25, 863580), (30, 719650), (37, 583500), (50, 431790), (60, 359825), (74, 291750), (75, 287860), (100, 215895), (111, 194500), (125, 172716), (148, 145875), (150, 143930), (185, 116700), (222, 97250), (250, 86358), (300, 71965), (370, 58350), (375, 57572), (389, 55500), (444, 48625), (500, 43179), (555, 38900), (740, 29175), (750, 28786), (778, 27750), (925, 23340), (1110, 19450), (1167, 18500), (1500, 14393), (1556, 13875), (1850, 11670), (1945, 11100), (2220, 9725), (2334, 9250), (2775, 7780), (3700, 5835), (3890, 5550), (4625, 4668)]