21388200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 67927200

約数和(自身を除く): 46539000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 129, 150, 172, 200, 215, 258, 300, 344, 430, 516, 600, 645, 829, 860, 1032, 1075, 1290, 1658, 1720, 2150, 2487, 2580, 3225, 3316, 4145, 4300, 4974, 5160, 6450, 6632, 8290, 8600, 9948, 12435, 12900, 16580, 19896, 20725, 24870, 25800, 33160, 35647, 41450, 49740, 62175, 71294, 82900, 99480, 106941, 124350, 142588, 165800, 178235, 213882, 248700, 285176, 356470, 427764, 497400, 534705, 712940, 855528, 891175, 1069410, 1425880, 1782350, 2138820, 2673525, 3564700, 4277640, 5347050, 7129400, 10694100, 21388200]

約数ペア:

[(1, 21388200), (2, 10694100), (3, 7129400), (4, 5347050), (5, 4277640), (6, 3564700), (8, 2673525), (10, 2138820), (12, 1782350), (15, 1425880), (20, 1069410), (24, 891175), (25, 855528), (30, 712940), (40, 534705), (43, 497400), (50, 427764), (60, 356470), (75, 285176), (86, 248700), (100, 213882), (120, 178235), (129, 165800), (150, 142588), (172, 124350), (200, 106941), (215, 99480), (258, 82900), (300, 71294), (344, 62175), (430, 49740), (516, 41450), (600, 35647), (645, 33160), (829, 25800), (860, 24870), (1032, 20725), (1075, 19896), (1290, 16580), (1658, 12900), (1720, 12435), (2150, 9948), (2487, 8600), (2580, 8290), (3225, 6632), (3316, 6450), (4145, 5160), (4300, 4974)]