21894516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28961}}^1$

素因数の和:28981

約数の個数: 48

約数和(自身を含む): 64874880

約数和(自身を除く): 42980364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28961, 57922, 86883, 115844, 173766, 202727, 260649, 347532, 405454, 521298, 608181, 781947, 810908, 1042596, 1216362, 1563894, 1824543, 2432724, 3127788, 3649086, 5473629, 7298172, 10947258, 21894516]

約数ペア:

[(1, 21894516), (2, 10947258), (3, 7298172), (4, 5473629), (6, 3649086), (7, 3127788), (9, 2432724), (12, 1824543), (14, 1563894), (18, 1216362), (21, 1042596), (27, 810908), (28, 781947), (36, 608181), (42, 521298), (54, 405454), (63, 347532), (84, 260649), (108, 202727), (126, 173766), (189, 115844), (252, 86883), (378, 57922), (756, 28961)]