21092040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 70270200

約数和(自身を除く): 49178160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1429, 1476, 1640, 1845, 2460, 2858, 2952, 3690, 4287, 4920, 5716, 7145, 7380, 8574, 11432, 12861, 14290, 14760, 17148, 21435, 25722, 28580, 34296, 42870, 51444, 57160, 58589, 64305, 85740, 102888, 117178, 128610, 171480, 175767, 234356, 257220, 292945, 351534, 468712, 514440, 527301, 585890, 703068, 878835, 1054602, 1171780, 1406136, 1757670, 2109204, 2343560, 2636505, 3515340, 4218408, 5273010, 7030680, 10546020, 21092040]

約数ペア:

[(1, 21092040), (2, 10546020), (3, 7030680), (4, 5273010), (5, 4218408), (6, 3515340), (8, 2636505), (9, 2343560), (10, 2109204), (12, 1757670), (15, 1406136), (18, 1171780), (20, 1054602), (24, 878835), (30, 703068), (36, 585890), (40, 527301), (41, 514440), (45, 468712), (60, 351534), (72, 292945), (82, 257220), (90, 234356), (120, 175767), (123, 171480), (164, 128610), (180, 117178), (205, 102888), (246, 85740), (328, 64305), (360, 58589), (369, 57160), (410, 51444), (492, 42870), (615, 34296), (738, 28580), (820, 25722), (984, 21435), (1230, 17148), (1429, 14760), (1476, 14290), (1640, 12861), (1845, 11432), (2460, 8574), (2858, 7380), (2952, 7145), (3690, 5716), (4287, 4920)]