21930258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12143}}^1$

素因数の和:12198

約数の個数: 32

約数和(自身を含む): 51296256

約数和(自身を除く): 29365998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 12143, 24286, 36429, 72858, 85001, 170002, 255003, 510006, 522149, 1044298, 1566447, 3132894, 3655043, 7310086, 10965129, 21930258]

約数ペア:

[(1, 21930258), (2, 10965129), (3, 7310086), (6, 3655043), (7, 3132894), (14, 1566447), (21, 1044298), (42, 522149), (43, 510006), (86, 255003), (129, 170002), (258, 85001), (301, 72858), (602, 36429), (903, 24286), (1806, 12143)]