21319048

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 40995360

約数和(自身を除く): 19676312

約数列:

[1, 2, 4, 8, 83, 97, 166, 194, 331, 332, 388, 662, 664, 776, 1324, 2648, 8051, 16102, 27473, 32107, 32204, 54946, 64214, 64408, 109892, 128428, 219784, 256856, 2664881, 5329762, 10659524, 21319048]

約数ペア:

[(1, 21319048), (2, 10659524), (4, 5329762), (8, 2664881), (83, 256856), (97, 219784), (166, 128428), (194, 109892), (331, 64408), (332, 64214), (388, 54946), (662, 32204), (664, 32107), (776, 27473), (1324, 16102), (2648, 8051)]