21439392

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 62233920

約数和(自身を除く): 40794528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 78, 82, 96, 104, 123, 156, 164, 208, 246, 312, 328, 416, 419, 492, 533, 624, 656, 838, 984, 1066, 1248, 1257, 1312, 1599, 1676, 1968, 2132, 2514, 3198, 3352, 3936, 4264, 5028, 5447, 6396, 6704, 8528, 10056, 10894, 12792, 13408, 16341, 17056, 17179, 20112, 21788, 25584, 32682, 34358, 40224, 43576, 51168, 51537, 65364, 68716, 87152, 103074, 130728, 137432, 174304, 206148, 223327, 261456, 274864, 412296, 446654, 522912, 549728, 669981, 824592, 893308, 1339962, 1649184, 1786616, 2679924, 3573232, 5359848, 7146464, 10719696, 21439392]

約数ペア:

[(1, 21439392), (2, 10719696), (3, 7146464), (4, 5359848), (6, 3573232), (8, 2679924), (12, 1786616), (13, 1649184), (16, 1339962), (24, 893308), (26, 824592), (32, 669981), (39, 549728), (41, 522912), (48, 446654), (52, 412296), (78, 274864), (82, 261456), (96, 223327), (104, 206148), (123, 174304), (156, 137432), (164, 130728), (208, 103074), (246, 87152), (312, 68716), (328, 65364), (416, 51537), (419, 51168), (492, 43576), (533, 40224), (624, 34358), (656, 32682), (838, 25584), (984, 21788), (1066, 20112), (1248, 17179), (1257, 17056), (1312, 16341), (1599, 13408), (1676, 12792), (1968, 10894), (2132, 10056), (2514, 8528), (3198, 6704), (3352, 6396), (3936, 5447), (4264, 5028)]