21973116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 58019920

約数和(自身を除く): 36046804

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 363, 407, 409, 444, 484, 726, 814, 818, 1221, 1227, 1452, 1628, 1636, 2442, 2454, 4477, 4499, 4884, 4908, 8954, 8998, 13431, 13497, 15133, 17908, 17996, 26862, 26994, 30266, 45399, 49489, 53724, 53988, 60532, 90798, 98978, 148467, 166463, 181596, 197956, 296934, 332926, 499389, 593868, 665852, 998778, 1831093, 1997556, 3662186, 5493279, 7324372, 10986558, 21973116]

約数ペア:

[(1, 21973116), (2, 10986558), (3, 7324372), (4, 5493279), (6, 3662186), (11, 1997556), (12, 1831093), (22, 998778), (33, 665852), (37, 593868), (44, 499389), (66, 332926), (74, 296934), (111, 197956), (121, 181596), (132, 166463), (148, 148467), (222, 98978), (242, 90798), (363, 60532), (407, 53988), (409, 53724), (444, 49489), (484, 45399), (726, 30266), (814, 26994), (818, 26862), (1221, 17996), (1227, 17908), (1452, 15133), (1628, 13497), (1636, 13431), (2442, 8998), (2454, 8954), (4477, 4908), (4499, 4884)]