21450912

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 65100672

約数和(自身を除く): 43649760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 137, 168, 224, 233, 274, 336, 411, 466, 548, 672, 699, 822, 932, 959, 1096, 1398, 1631, 1644, 1864, 1918, 2192, 2796, 2877, 3262, 3288, 3728, 3836, 4384, 4893, 5592, 5754, 6524, 6576, 7456, 7672, 9786, 11184, 11508, 13048, 13152, 15344, 19572, 22368, 23016, 26096, 30688, 31921, 39144, 46032, 52192, 63842, 78288, 92064, 95763, 127684, 156576, 191526, 223447, 255368, 383052, 446894, 510736, 670341, 766104, 893788, 1021472, 1340682, 1532208, 1787576, 2681364, 3064416, 3575152, 5362728, 7150304, 10725456, 21450912]

約数ペア:

[(1, 21450912), (2, 10725456), (3, 7150304), (4, 5362728), (6, 3575152), (7, 3064416), (8, 2681364), (12, 1787576), (14, 1532208), (16, 1340682), (21, 1021472), (24, 893788), (28, 766104), (32, 670341), (42, 510736), (48, 446894), (56, 383052), (84, 255368), (96, 223447), (112, 191526), (137, 156576), (168, 127684), (224, 95763), (233, 92064), (274, 78288), (336, 63842), (411, 52192), (466, 46032), (548, 39144), (672, 31921), (699, 30688), (822, 26096), (932, 23016), (959, 22368), (1096, 19572), (1398, 15344), (1631, 13152), (1644, 13048), (1864, 11508), (1918, 11184), (2192, 9786), (2796, 7672), (2877, 7456), (3262, 6576), (3288, 6524), (3728, 5754), (3836, 5592), (4384, 4893)]