21450429

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 41618304

約数和(自身を除く): 20167875

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2381, 3003, 7143, 9009, 16667, 21429, 26191, 30953, 50001, 78573, 92859, 150003, 183337, 216671, 235719, 278577, 340483, 550011, 650013, 1021449, 1650033, 1950039, 2383381, 3064347, 7150143, 21450429]

約数ペア:

[(1, 21450429), (3, 7150143), (7, 3064347), (9, 2383381), (11, 1950039), (13, 1650033), (21, 1021449), (33, 650013), (39, 550011), (63, 340483), (77, 278577), (91, 235719), (99, 216671), (117, 183337), (143, 150003), (231, 92859), (273, 78573), (429, 50001), (693, 30953), (819, 26191), (1001, 21429), (1287, 16667), (2381, 9009), (3003, 7143)]