21172260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2113}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 59665536

約数和(自身を除く): 38493276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2113, 2505, 3340, 4226, 5010, 6339, 8452, 10020, 10565, 12678, 21130, 25356, 31695, 42260, 63390, 126780, 352871, 705742, 1058613, 1411484, 1764355, 2117226, 3528710, 4234452, 5293065, 7057420, 10586130, 21172260]

約数ペア:

[(1, 21172260), (2, 10586130), (3, 7057420), (4, 5293065), (5, 4234452), (6, 3528710), (10, 2117226), (12, 1764355), (15, 1411484), (20, 1058613), (30, 705742), (60, 352871), (167, 126780), (334, 63390), (501, 42260), (668, 31695), (835, 25356), (1002, 21130), (1670, 12678), (2004, 10565), (2113, 10020), (2505, 8452), (3340, 6339), (4226, 5010)]