21760728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 38114472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 139, 264, 278, 417, 556, 593, 834, 1112, 1186, 1529, 1668, 1779, 2372, 3058, 3336, 3558, 4587, 4744, 6116, 6523, 7116, 9174, 12232, 13046, 14232, 18348, 19569, 26092, 36696, 39138, 52184, 78276, 82427, 156552, 164854, 247281, 329708, 494562, 659416, 906697, 989124, 1813394, 1978248, 2720091, 3626788, 5440182, 7253576, 10880364, 21760728]

約数ペア:

[(1, 21760728), (2, 10880364), (3, 7253576), (4, 5440182), (6, 3626788), (8, 2720091), (11, 1978248), (12, 1813394), (22, 989124), (24, 906697), (33, 659416), (44, 494562), (66, 329708), (88, 247281), (132, 164854), (139, 156552), (264, 82427), (278, 78276), (417, 52184), (556, 39138), (593, 36696), (834, 26092), (1112, 19569), (1186, 18348), (1529, 14232), (1668, 13046), (1779, 12232), (2372, 9174), (3058, 7116), (3336, 6523), (3558, 6116), (4587, 4744)]