21697432876

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{85427}}^1$

素因数の和:85678

約数の個数: 48

約数和(自身を含む): 44548310016

約数和(自身を除く): 22850877140

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 193, 329, 386, 658, 772, 1316, 1351, 2702, 5404, 9071, 18142, 36284, 63497, 85427, 126994, 170854, 253988, 341708, 597989, 1195978, 2391956, 4015069, 8030138, 16060276, 16487411, 28105483, 32974822, 56210966, 65949644, 112421932, 115411877, 230823754, 461647508, 774908317, 1549816634, 3099633268, 5424358219, 10848716438, 21697432876]

約数ペア:

[(1, 21697432876), (2, 10848716438), (4, 5424358219), (7, 3099633268), (14, 1549816634), (28, 774908317), (47, 461647508), (94, 230823754), (188, 115411877), (193, 112421932), (329, 65949644), (386, 56210966), (658, 32974822), (772, 28105483), (1316, 16487411), (1351, 16060276), (2702, 8030138), (5404, 4015069), (9071, 2391956), (18142, 1195978), (36284, 597989), (63497, 341708), (85427, 253988), (126994, 170854)]