21490524

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54269}}^1$

素因数の和:54290

約数の個数: 36

約数和(自身を含む): 59262840

約数和(自身を除く): 37772316

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54269, 108538, 162807, 217076, 325614, 488421, 596959, 651228, 976842, 1193918, 1790877, 1953684, 2387836, 3581754, 5372631, 7163508, 10745262, 21490524]

約数ペア:

[(1, 21490524), (2, 10745262), (3, 7163508), (4, 5372631), (6, 3581754), (9, 2387836), (11, 1953684), (12, 1790877), (18, 1193918), (22, 976842), (33, 651228), (36, 596959), (44, 488421), (66, 325614), (99, 217076), (132, 162807), (198, 108538), (396, 54269)]