21438384

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2178

約数の個数: 80

約数和(自身を含む): 63626880

約数和(自身を除く): 42188496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 2137, 2508, 3344, 4274, 5016, 6411, 8548, 10032, 12822, 17096, 23507, 25644, 34192, 40603, 47014, 51288, 70521, 81206, 94028, 102576, 121809, 141042, 162412, 188056, 243618, 282084, 324824, 376112, 446633, 487236, 564168, 649648, 893266, 974472, 1128336, 1339899, 1786532, 1948944, 2679798, 3573064, 5359596, 7146128, 10719192, 21438384]

約数ペア:

[(1, 21438384), (2, 10719192), (3, 7146128), (4, 5359596), (6, 3573064), (8, 2679798), (11, 1948944), (12, 1786532), (16, 1339899), (19, 1128336), (22, 974472), (24, 893266), (33, 649648), (38, 564168), (44, 487236), (48, 446633), (57, 376112), (66, 324824), (76, 282084), (88, 243618), (114, 188056), (132, 162412), (152, 141042), (176, 121809), (209, 102576), (228, 94028), (264, 81206), (304, 70521), (418, 51288), (456, 47014), (528, 40603), (627, 34192), (836, 25644), (912, 23507), (1254, 17096), (1672, 12822), (2137, 10032), (2508, 8548), (3344, 6411), (4274, 5016)]