21565684

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5791}}^1$

素因数の和:5828

約数の個数: 36

約数和(自身を含む): 46220160

約数和(自身を除く): 24654476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5791, 11582, 23164, 40537, 81074, 110029, 162148, 220058, 283759, 440116, 567518, 770203, 1135036, 1540406, 3080812, 5391421, 10782842, 21565684]

約数ペア:

[(1, 21565684), (2, 10782842), (4, 5391421), (7, 3080812), (14, 1540406), (19, 1135036), (28, 770203), (38, 567518), (49, 440116), (76, 283759), (98, 220058), (133, 162148), (196, 110029), (266, 81074), (532, 40537), (931, 23164), (1862, 11582), (3724, 5791)]