21633183

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 16313697

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 169, 297, 351, 429, 431, 507, 1287, 1293, 1521, 1859, 3861, 3879, 4563, 4741, 5577, 5603, 11637, 14223, 16731, 16809, 42669, 50193, 50427, 61633, 72839, 128007, 151281, 184899, 218517, 554697, 655551, 801229, 1664091, 1966653, 2403687, 7211061, 21633183]

約数ペア:

[(1, 21633183), (3, 7211061), (9, 2403687), (11, 1966653), (13, 1664091), (27, 801229), (33, 655551), (39, 554697), (99, 218517), (117, 184899), (143, 151281), (169, 128007), (297, 72839), (351, 61633), (429, 50427), (431, 50193), (507, 42669), (1287, 16809), (1293, 16731), (1521, 14223), (1859, 11637), (3861, 5603), (3879, 5577), (4563, 4741)]