21931630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2467}}^1$

素因数の和:2608

約数の個数: 32

約数和(自身を含む): 45490176

約数和(自身を除く): 23558546

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2467, 4445, 4934, 8890, 12335, 17269, 24670, 34538, 86345, 172690, 313309, 626618, 1566545, 2193163, 3133090, 4386326, 10965815, 21931630]

約数ペア:

[(1, 21931630), (2, 10965815), (5, 4386326), (7, 3133090), (10, 2193163), (14, 1566545), (35, 626618), (70, 313309), (127, 172690), (254, 86345), (635, 34538), (889, 24670), (1270, 17269), (1778, 12335), (2467, 8890), (4445, 4934)]