21723912

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43103}}^1$

素因数の和:43122

約数の個数: 48

約数和(自身を含む): 67242240

約数和(自身を除く): 45518328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43103, 86206, 129309, 172412, 258618, 301721, 344824, 387927, 517236, 603442, 775854, 905163, 1034472, 1206884, 1551708, 1810326, 2413768, 2715489, 3103416, 3620652, 5430978, 7241304, 10861956, 21723912]

約数ペア:

[(1, 21723912), (2, 10861956), (3, 7241304), (4, 5430978), (6, 3620652), (7, 3103416), (8, 2715489), (9, 2413768), (12, 1810326), (14, 1551708), (18, 1206884), (21, 1034472), (24, 905163), (28, 775854), (36, 603442), (42, 517236), (56, 387927), (63, 344824), (72, 301721), (84, 258618), (126, 172412), (168, 129309), (252, 86206), (504, 43103)]