21287804934

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16975921}}^1$

素因数の和:16975956

約数の個数: 32

約数和(自身を含む): 48890655360

約数和(自身を除く): 27602850426

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 16975921, 33951842, 50927763, 101855526, 186735131, 322542499, 373470262, 560205393, 645084998, 967627497, 1120410786, 1935254994, 3547967489, 7095934978, 10643902467, 21287804934]

約数ペア:

[(1, 21287804934), (2, 10643902467), (3, 7095934978), (6, 3547967489), (11, 1935254994), (19, 1120410786), (22, 967627497), (33, 645084998), (38, 560205393), (57, 373470262), (66, 322542499), (114, 186735131), (209, 101855526), (418, 50927763), (627, 33951842), (1254, 16975921)]