21223278

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3767}}^1$

素因数の和:4088

約数の個数: 24

約数和(自身を含む): 46142928

約数和(自身を除く): 24919650

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3767, 5634, 7534, 11301, 22602, 33903, 67806, 1179071, 2358142, 3537213, 7074426, 10611639, 21223278]

約数ペア:

[(1, 21223278), (2, 10611639), (3, 7074426), (6, 3537213), (9, 2358142), (18, 1179071), (313, 67806), (626, 33903), (939, 22602), (1878, 11301), (2817, 7534), (3767, 5634)]