21000984056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{148153}}^1$

素因数の和:148248

約数の個数: 64

約数和(自身を含む): 44801769600

約数和(自身を除く): 23800785544

約数列:

[1, 2, 4, 8, 13, 26, 29, 47, 52, 58, 94, 104, 116, 188, 232, 376, 377, 611, 754, 1222, 1363, 1508, 2444, 2726, 3016, 4888, 5452, 10904, 17719, 35438, 70876, 141752, 148153, 296306, 592612, 1185224, 1925989, 3851978, 4296437, 6963191, 7703956, 8592874, 13926382, 15407912, 17185748, 27852764, 34371496, 55705528, 55853681, 90521483, 111707362, 181042966, 201932539, 223414724, 362085932, 403865078, 446829448, 724171864, 807730156, 1615460312, 2625123007, 5250246014, 10500492028, 21000984056]

約数ペア:

[(1, 21000984056), (2, 10500492028), (4, 5250246014), (8, 2625123007), (13, 1615460312), (26, 807730156), (29, 724171864), (47, 446829448), (52, 403865078), (58, 362085932), (94, 223414724), (104, 201932539), (116, 181042966), (188, 111707362), (232, 90521483), (376, 55853681), (377, 55705528), (611, 34371496), (754, 27852764), (1222, 17185748), (1363, 15407912), (1508, 13926382), (2444, 8592874), (2726, 7703956), (3016, 6963191), (4888, 4296437), (5452, 3851978), (10904, 1925989), (17719, 1185224), (35438, 592612), (70876, 296306), (141752, 148153)]