21280600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 57250800

約数和(自身を除く): 35970200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 136, 170, 187, 200, 220, 275, 340, 374, 425, 440, 550, 569, 680, 748, 850, 935, 1100, 1138, 1496, 1700, 1870, 2200, 2276, 2845, 3400, 3740, 4552, 4675, 5690, 6259, 7480, 9350, 9673, 11380, 12518, 14225, 18700, 19346, 22760, 25036, 28450, 31295, 37400, 38692, 48365, 50072, 56900, 62590, 77384, 96730, 106403, 113800, 125180, 156475, 193460, 212806, 241825, 250360, 312950, 386920, 425612, 483650, 532015, 625900, 851224, 967300, 1064030, 1251800, 1934600, 2128060, 2660075, 4256120, 5320150, 10640300, 21280600]

約数ペア:

[(1, 21280600), (2, 10640300), (4, 5320150), (5, 4256120), (8, 2660075), (10, 2128060), (11, 1934600), (17, 1251800), (20, 1064030), (22, 967300), (25, 851224), (34, 625900), (40, 532015), (44, 483650), (50, 425612), (55, 386920), (68, 312950), (85, 250360), (88, 241825), (100, 212806), (110, 193460), (136, 156475), (170, 125180), (187, 113800), (200, 106403), (220, 96730), (275, 77384), (340, 62590), (374, 56900), (425, 50072), (440, 48365), (550, 38692), (569, 37400), (680, 31295), (748, 28450), (850, 25036), (935, 22760), (1100, 19346), (1138, 18700), (1496, 14225), (1700, 12518), (1870, 11380), (2200, 9673), (2276, 9350), (2845, 7480), (3400, 6259), (3740, 5690), (4552, 4675)]