21198828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5869}}^1$

素因数の和:5926

約数の個数: 48

約数和(自身を含む): 57854720

約数和(自身を除く): 36655892

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, 5869, 11738, 17607, 23476, 35214, 41083, 70428, 82166, 123249, 164332, 246498, 252367, 492996, 504734, 757101, 1009468, 1514202, 1766569, 3028404, 3533138, 5299707, 7066276, 10599414, 21198828]

約数ペア:

[(1, 21198828), (2, 10599414), (3, 7066276), (4, 5299707), (6, 3533138), (7, 3028404), (12, 1766569), (14, 1514202), (21, 1009468), (28, 757101), (42, 504734), (43, 492996), (84, 252367), (86, 246498), (129, 164332), (172, 123249), (258, 82166), (301, 70428), (516, 41083), (602, 35214), (903, 23476), (1204, 17607), (1806, 11738), (3612, 5869)]