21104916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5843}}^1$

素因数の和:5900

約数の個数: 48

約数和(自身を含む): 57598464

約数和(自身を除く): 36493548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5843, 11686, 17529, 23372, 35058, 40901, 70116, 81802, 122703, 163604, 245406, 251249, 490812, 502498, 753747, 1004996, 1507494, 1758743, 3014988, 3517486, 5276229, 7034972, 10552458, 21104916]

約数ペア:

[(1, 21104916), (2, 10552458), (3, 7034972), (4, 5276229), (6, 3517486), (7, 3014988), (12, 1758743), (14, 1507494), (21, 1004996), (28, 753747), (42, 502498), (43, 490812), (84, 251249), (86, 245406), (129, 163604), (172, 122703), (258, 81802), (301, 70116), (516, 40901), (602, 35058), (903, 23372), (1204, 17529), (1806, 11686), (3612, 5843)]