21548282

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2510

約数の個数: 32

約数和(自身を含む): 40186368

約数和(自身を除く): 18638086

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2447, 4403, 4894, 8806, 17129, 34258, 41599, 83198, 90539, 181078, 291193, 582386, 633773, 1267546, 1539163, 3078326, 10774141, 21548282]

約数ペア:

[(1, 21548282), (2, 10774141), (7, 3078326), (14, 1539163), (17, 1267546), (34, 633773), (37, 582386), (74, 291193), (119, 181078), (238, 90539), (259, 83198), (518, 41599), (629, 34258), (1258, 17129), (2447, 8806), (4403, 4894)]