21245350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 45684576

約数和(自身を除く): 24439226

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 101, 175, 202, 350, 505, 601, 707, 1010, 1202, 1414, 2525, 3005, 3535, 4207, 5050, 6010, 7070, 8414, 15025, 17675, 21035, 30050, 35350, 42070, 60701, 105175, 121402, 210350, 303505, 424907, 607010, 849814, 1517525, 2124535, 3035050, 4249070, 10622675, 21245350]

約数ペア:

[(1, 21245350), (2, 10622675), (5, 4249070), (7, 3035050), (10, 2124535), (14, 1517525), (25, 849814), (35, 607010), (50, 424907), (70, 303505), (101, 210350), (175, 121402), (202, 105175), (350, 60701), (505, 42070), (601, 35350), (707, 30050), (1010, 21035), (1202, 17675), (1414, 15025), (2525, 8414), (3005, 7070), (3535, 6010), (4207, 5050)]