21392070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 63258624

約数和(自身を除く): 41866554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 69, 70, 86, 103, 105, 115, 129, 138, 161, 206, 210, 215, 230, 258, 301, 309, 322, 345, 430, 483, 515, 602, 618, 645, 690, 721, 805, 903, 966, 989, 1030, 1290, 1442, 1505, 1545, 1610, 1806, 1978, 2163, 2369, 2415, 2967, 3010, 3090, 3605, 4326, 4429, 4515, 4738, 4830, 4945, 5934, 6923, 7107, 7210, 8858, 9030, 9890, 10815, 11845, 13287, 13846, 14214, 14835, 16583, 20769, 21630, 22145, 23690, 26574, 29670, 31003, 33166, 34615, 35535, 41538, 44290, 49749, 62006, 66435, 69230, 71070, 82915, 93009, 99498, 101867, 103845, 132870, 155015, 165830, 186018, 203734, 207690, 248745, 305601, 310030, 465045, 497490, 509335, 611202, 713069, 930090, 1018670, 1426138, 1528005, 2139207, 3056010, 3565345, 4278414, 7130690, 10696035, 21392070]

約数ペア:

[(1, 21392070), (2, 10696035), (3, 7130690), (5, 4278414), (6, 3565345), (7, 3056010), (10, 2139207), (14, 1528005), (15, 1426138), (21, 1018670), (23, 930090), (30, 713069), (35, 611202), (42, 509335), (43, 497490), (46, 465045), (69, 310030), (70, 305601), (86, 248745), (103, 207690), (105, 203734), (115, 186018), (129, 165830), (138, 155015), (161, 132870), (206, 103845), (210, 101867), (215, 99498), (230, 93009), (258, 82915), (301, 71070), (309, 69230), (322, 66435), (345, 62006), (430, 49749), (483, 44290), (515, 41538), (602, 35535), (618, 34615), (645, 33166), (690, 31003), (721, 29670), (805, 26574), (903, 23690), (966, 22145), (989, 21630), (1030, 20769), (1290, 16583), (1442, 14835), (1505, 14214), (1545, 13846), (1610, 13287), (1806, 11845), (1978, 10815), (2163, 9890), (2369, 9030), (2415, 8858), (2967, 7210), (3010, 7107), (3090, 6923), (3605, 5934), (4326, 4945), (4429, 4830), (4515, 4738)]