21382992

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1088

約数の個数: 60

約数和(自身を含む): 60275904

約数和(自身を除く): 38892912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 326, 489, 652, 911, 978, 1304, 1467, 1822, 1956, 2608, 2733, 2934, 3644, 3912, 5466, 5868, 7288, 7824, 8199, 10932, 11736, 14576, 16398, 21864, 23472, 32796, 43728, 65592, 131184, 148493, 296986, 445479, 593972, 890958, 1187944, 1336437, 1781916, 2375888, 2672874, 3563832, 5345748, 7127664, 10691496, 21382992]

約数ペア:

[(1, 21382992), (2, 10691496), (3, 7127664), (4, 5345748), (6, 3563832), (8, 2672874), (9, 2375888), (12, 1781916), (16, 1336437), (18, 1187944), (24, 890958), (36, 593972), (48, 445479), (72, 296986), (144, 148493), (163, 131184), (326, 65592), (489, 43728), (652, 32796), (911, 23472), (978, 21864), (1304, 16398), (1467, 14576), (1822, 11736), (1956, 10932), (2608, 8199), (2733, 7824), (2934, 7288), (3644, 5868), (3912, 5466)]