21265846

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 38343168

約数和(自身を除く): 17077322

約数列:

[1, 2, 7, 14, 23, 46, 161, 211, 313, 322, 422, 626, 1477, 2191, 2954, 4382, 4853, 7199, 9706, 14398, 33971, 50393, 66043, 67942, 100786, 132086, 462301, 924602, 1518989, 3037978, 10632923, 21265846]

約数ペア:

[(1, 21265846), (2, 10632923), (7, 3037978), (14, 1518989), (23, 924602), (46, 462301), (161, 132086), (211, 100786), (313, 67942), (322, 66043), (422, 50393), (626, 33971), (1477, 14398), (2191, 9706), (2954, 7199), (4382, 4853)]