21462818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 16639582

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1889, 3778, 5681, 11362, 24557, 35891, 43447, 49114, 71782, 86894, 466583, 564811, 825493, 933166, 1129622, 1650986, 10731409, 21462818]

約数ペア:

[(1, 21462818), (2, 10731409), (13, 1650986), (19, 1129622), (23, 933166), (26, 825493), (38, 564811), (46, 466583), (247, 86894), (299, 71782), (437, 49114), (494, 43447), (598, 35891), (874, 24557), (1889, 11362), (3778, 5681)]