21999564

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 59623200

約数和(自身を除く): 37623636

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 103, 153, 204, 206, 306, 309, 349, 412, 612, 618, 698, 927, 1047, 1236, 1396, 1751, 1854, 2094, 3141, 3502, 3708, 4188, 5253, 5933, 6282, 7004, 10506, 11866, 12564, 15759, 17799, 21012, 23732, 31518, 35598, 35947, 53397, 63036, 71196, 71894, 106794, 107841, 143788, 213588, 215682, 323523, 431364, 611099, 647046, 1222198, 1294092, 1833297, 2444396, 3666594, 5499891, 7333188, 10999782, 21999564]

約数ペア:

[(1, 21999564), (2, 10999782), (3, 7333188), (4, 5499891), (6, 3666594), (9, 2444396), (12, 1833297), (17, 1294092), (18, 1222198), (34, 647046), (36, 611099), (51, 431364), (68, 323523), (102, 215682), (103, 213588), (153, 143788), (204, 107841), (206, 106794), (306, 71894), (309, 71196), (349, 63036), (412, 53397), (612, 35947), (618, 35598), (698, 31518), (927, 23732), (1047, 21012), (1236, 17799), (1396, 15759), (1751, 12564), (1854, 11866), (2094, 10506), (3141, 7004), (3502, 6282), (3708, 5933), (4188, 5253)]