21365718165

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{464119}}^1$

素因数の和:464175

約数の個数: 64

約数和(自身を含む): 42773299200

約数和(自身を除く): 21407581035

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 465, 495, 837, 1023, 1395, 1485, 1705, 3069, 4185, 5115, 9207, 15345, 46035, 464119, 1392357, 2320595, 4177071, 5105309, 6961785, 12531213, 14387689, 15315927, 20885355, 25526545, 43163067, 45947781, 62656065, 71938445, 76579635, 129489201, 137843343, 158264579, 215815335, 229738905, 388467603, 474793737, 647446005, 689216715, 791322895, 1424381211, 1942338015, 2373968685, 4273143633, 7121906055, 21365718165]

約数ペア:

[(1, 21365718165), (3, 7121906055), (5, 4273143633), (9, 2373968685), (11, 1942338015), (15, 1424381211), (27, 791322895), (31, 689216715), (33, 647446005), (45, 474793737), (55, 388467603), (93, 229738905), (99, 215815335), (135, 158264579), (155, 137843343), (165, 129489201), (279, 76579635), (297, 71938445), (341, 62656065), (465, 45947781), (495, 43163067), (837, 25526545), (1023, 20885355), (1395, 15315927), (1485, 14387689), (1705, 12531213), (3069, 6961785), (4185, 5105309), (5115, 4177071), (9207, 2320595), (15345, 1392357), (46035, 464119)]