21792316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 51932160

約数和(自身を除く): 30139844

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 46, 52, 76, 91, 92, 133, 137, 161, 182, 247, 266, 274, 299, 322, 364, 437, 494, 532, 548, 598, 644, 874, 959, 988, 1196, 1729, 1748, 1781, 1918, 2093, 2603, 3059, 3151, 3458, 3562, 3836, 4186, 5206, 5681, 6118, 6302, 6916, 7124, 8372, 10412, 11362, 12236, 12467, 12604, 18221, 22057, 22724, 24934, 33839, 36442, 39767, 40963, 44114, 49868, 59869, 67678, 72884, 79534, 81926, 88228, 119738, 135356, 159068, 163852, 236873, 239476, 286741, 419083, 473746, 573482, 778297, 838166, 947492, 1146964, 1556594, 1676332, 3113188, 5448079, 10896158, 21792316]

約数ペア:

[(1, 21792316), (2, 10896158), (4, 5448079), (7, 3113188), (13, 1676332), (14, 1556594), (19, 1146964), (23, 947492), (26, 838166), (28, 778297), (38, 573482), (46, 473746), (52, 419083), (76, 286741), (91, 239476), (92, 236873), (133, 163852), (137, 159068), (161, 135356), (182, 119738), (247, 88228), (266, 81926), (274, 79534), (299, 72884), (322, 67678), (364, 59869), (437, 49868), (494, 44114), (532, 40963), (548, 39767), (598, 36442), (644, 33839), (874, 24934), (959, 22724), (988, 22057), (1196, 18221), (1729, 12604), (1748, 12467), (1781, 12236), (1918, 11362), (2093, 10412), (2603, 8372), (3059, 7124), (3151, 6916), (3458, 6302), (3562, 6118), (3836, 5681), (4186, 5206)]