21895500693

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{45863}}^1$

素因数の和:45954

約数の個数: 64

約数和(自身を含む): 36139364352

約数和(自身を除く): 14243863659

約数列:

[1, 3, 11, 17, 23, 33, 37, 51, 69, 111, 187, 253, 391, 407, 561, 629, 759, 851, 1173, 1221, 1887, 2553, 4301, 6919, 9361, 12903, 14467, 20757, 28083, 43401, 45863, 137589, 159137, 477411, 504493, 779671, 1054849, 1513479, 1696931, 2339013, 3164547, 5090793, 8576381, 11603339, 17932433, 18666241, 25729143, 28847827, 34810017, 39029413, 53797299, 55998723, 86543481, 117088239, 197256763, 317326097, 429323543, 591770289, 663500021, 951978291, 1287970629, 1990500063, 7298500231, 21895500693]

約数ペア:

[(1, 21895500693), (3, 7298500231), (11, 1990500063), (17, 1287970629), (23, 951978291), (33, 663500021), (37, 591770289), (51, 429323543), (69, 317326097), (111, 197256763), (187, 117088239), (253, 86543481), (391, 55998723), (407, 53797299), (561, 39029413), (629, 34810017), (759, 28847827), (851, 25729143), (1173, 18666241), (1221, 17932433), (1887, 11603339), (2553, 8576381), (4301, 5090793), (6919, 3164547), (9361, 2339013), (12903, 1696931), (14467, 1513479), (20757, 1054849), (28083, 779671), (43401, 504493), (45863, 477411), (137589, 159137)]