21557424

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 64495872

約数和(自身を除く): 42938448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 83, 84, 112, 166, 168, 249, 332, 336, 498, 581, 664, 773, 996, 1162, 1328, 1546, 1743, 1992, 2319, 2324, 3092, 3486, 3984, 4638, 4648, 5411, 6184, 6972, 9276, 9296, 10822, 12368, 13944, 16233, 18552, 21644, 27888, 32466, 37104, 43288, 64159, 64932, 86576, 128318, 129864, 192477, 256636, 259728, 384954, 449113, 513272, 769908, 898226, 1026544, 1347339, 1539816, 1796452, 2694678, 3079632, 3592904, 5389356, 7185808, 10778712, 21557424]

約数ペア:

[(1, 21557424), (2, 10778712), (3, 7185808), (4, 5389356), (6, 3592904), (7, 3079632), (8, 2694678), (12, 1796452), (14, 1539816), (16, 1347339), (21, 1026544), (24, 898226), (28, 769908), (42, 513272), (48, 449113), (56, 384954), (83, 259728), (84, 256636), (112, 192477), (166, 129864), (168, 128318), (249, 86576), (332, 64932), (336, 64159), (498, 43288), (581, 37104), (664, 32466), (773, 27888), (996, 21644), (1162, 18552), (1328, 16233), (1546, 13944), (1743, 12368), (1992, 10822), (2319, 9296), (2324, 9276), (3092, 6972), (3486, 6184), (3984, 5411), (4638, 4648)]