21254796

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20359}}^1$

素因数の和:20398

約数の個数: 36

約数和(自身を含む): 55582800

約数和(自身を除く): 34328004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20359, 40718, 61077, 81436, 122154, 183231, 244308, 366462, 590411, 732924, 1180822, 1771233, 2361644, 3542466, 5313699, 7084932, 10627398, 21254796]

約数ペア:

[(1, 21254796), (2, 10627398), (3, 7084932), (4, 5313699), (6, 3542466), (9, 2361644), (12, 1771233), (18, 1180822), (29, 732924), (36, 590411), (58, 366462), (87, 244308), (116, 183231), (174, 122154), (261, 81436), (348, 61077), (522, 40718), (1044, 20359)]