21774648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 66539520

約数和(自身を除く): 44764872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 111, 113, 124, 148, 168, 186, 217, 222, 226, 248, 259, 296, 339, 372, 434, 444, 452, 518, 651, 678, 744, 777, 791, 868, 888, 904, 1036, 1147, 1302, 1356, 1554, 1582, 1736, 2072, 2294, 2373, 2604, 2712, 3108, 3164, 3441, 3503, 4181, 4588, 4746, 5208, 6216, 6328, 6882, 7006, 8029, 8362, 9176, 9492, 10509, 12543, 13764, 14012, 16058, 16724, 18984, 21018, 24087, 24521, 25086, 27528, 28024, 29267, 32116, 33448, 42036, 48174, 49042, 50172, 58534, 64232, 73563, 84072, 87801, 96348, 98084, 100344, 117068, 129611, 147126, 175602, 192696, 196168, 234136, 259222, 294252, 351204, 388833, 518444, 588504, 702408, 777666, 907277, 1036888, 1555332, 1814554, 2721831, 3110664, 3629108, 5443662, 7258216, 10887324, 21774648]

約数ペア:

[(1, 21774648), (2, 10887324), (3, 7258216), (4, 5443662), (6, 3629108), (7, 3110664), (8, 2721831), (12, 1814554), (14, 1555332), (21, 1036888), (24, 907277), (28, 777666), (31, 702408), (37, 588504), (42, 518444), (56, 388833), (62, 351204), (74, 294252), (84, 259222), (93, 234136), (111, 196168), (113, 192696), (124, 175602), (148, 147126), (168, 129611), (186, 117068), (217, 100344), (222, 98084), (226, 96348), (248, 87801), (259, 84072), (296, 73563), (339, 64232), (372, 58534), (434, 50172), (444, 49042), (452, 48174), (518, 42036), (651, 33448), (678, 32116), (744, 29267), (777, 28024), (791, 27528), (868, 25086), (888, 24521), (904, 24087), (1036, 21018), (1147, 18984), (1302, 16724), (1356, 16058), (1554, 14012), (1582, 13764), (1736, 12543), (2072, 10509), (2294, 9492), (2373, 9176), (2604, 8362), (2712, 8029), (3108, 7006), (3164, 6882), (3441, 6328), (3503, 6216), (4181, 5208), (4588, 4746)]