21413336

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 27938344

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 83, 119, 136, 166, 238, 271, 332, 476, 542, 581, 664, 952, 1084, 1162, 1411, 1897, 2168, 2324, 2822, 3794, 4607, 4648, 5644, 7588, 9214, 9877, 11288, 15176, 18428, 19754, 22493, 32249, 36856, 39508, 44986, 64498, 79016, 89972, 128996, 157451, 179944, 257992, 314902, 382381, 629804, 764762, 1259608, 1529524, 2676667, 3059048, 5353334, 10706668, 21413336]

約数ペア:

[(1, 21413336), (2, 10706668), (4, 5353334), (7, 3059048), (8, 2676667), (14, 1529524), (17, 1259608), (28, 764762), (34, 629804), (56, 382381), (68, 314902), (83, 257992), (119, 179944), (136, 157451), (166, 128996), (238, 89972), (271, 79016), (332, 64498), (476, 44986), (542, 39508), (581, 36856), (664, 32249), (952, 22493), (1084, 19754), (1162, 18428), (1411, 15176), (1897, 11288), (2168, 9877), (2324, 9214), (2822, 7588), (3794, 5644), (4607, 4648)]