21192368

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 42573168

約数和(自身を除く): 21380800

約数列:

[1, 2, 4, 8, 16, 53, 67, 106, 134, 212, 268, 373, 424, 536, 746, 848, 1072, 1492, 2984, 3551, 5968, 7102, 14204, 19769, 24991, 28408, 39538, 49982, 56816, 79076, 99964, 158152, 199928, 316304, 399856, 1324523, 2649046, 5298092, 10596184, 21192368]

約数ペア:

[(1, 21192368), (2, 10596184), (4, 5298092), (8, 2649046), (16, 1324523), (53, 399856), (67, 316304), (106, 199928), (134, 158152), (212, 99964), (268, 79076), (373, 56816), (424, 49982), (536, 39538), (746, 28408), (848, 24991), (1072, 19769), (1492, 14204), (2984, 7102), (3551, 5968)]