21923025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 16645935

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 179, 213, 345, 355, 537, 575, 895, 1065, 1633, 1725, 1775, 2685, 4117, 4475, 4899, 5325, 8165, 12351, 12709, 13425, 20585, 24495, 38127, 40825, 61755, 63545, 102925, 122475, 190635, 292307, 308775, 317725, 876921, 953175, 1461535, 4384605, 7307675, 21923025]

約数ペア:

[(1, 21923025), (3, 7307675), (5, 4384605), (15, 1461535), (23, 953175), (25, 876921), (69, 317725), (71, 308775), (75, 292307), (115, 190635), (179, 122475), (213, 102925), (345, 63545), (355, 61755), (537, 40825), (575, 38127), (895, 24495), (1065, 20585), (1633, 13425), (1725, 12709), (1775, 12351), (2685, 8165), (4117, 5325), (4475, 4899)]