21040446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{947}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 50327424

約数和(自身を除く): 29286978

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 947, 966, 1058, 1587, 1894, 2841, 3174, 3703, 5682, 6629, 7406, 11109, 13258, 19887, 21781, 22218, 39774, 43562, 65343, 130686, 152467, 304934, 457401, 500963, 914802, 1001926, 1502889, 3005778, 3506741, 7013482, 10520223, 21040446]

約数ペア:

[(1, 21040446), (2, 10520223), (3, 7013482), (6, 3506741), (7, 3005778), (14, 1502889), (21, 1001926), (23, 914802), (42, 500963), (46, 457401), (69, 304934), (138, 152467), (161, 130686), (322, 65343), (483, 43562), (529, 39774), (947, 22218), (966, 21781), (1058, 19887), (1587, 13258), (1894, 11109), (2841, 7406), (3174, 6629), (3703, 5682)]