21457796

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1637}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 39213720

約数和(自身を除く): 17755924

約数列:

[1, 2, 4, 29, 58, 113, 116, 226, 452, 1637, 3274, 3277, 6548, 6554, 13108, 47473, 94946, 184981, 189892, 369962, 739924, 5364449, 10728898, 21457796]

約数ペア:

[(1, 21457796), (2, 10728898), (4, 5364449), (29, 739924), (58, 369962), (113, 189892), (116, 184981), (226, 94946), (452, 47473), (1637, 13108), (3274, 6554), (3277, 6548)]