21577046

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14918314

約数列:

[1, 2, 17, 19, 34, 38, 127, 254, 263, 323, 526, 646, 2159, 2413, 4318, 4471, 4826, 4997, 8942, 9994, 33401, 41021, 66802, 82042, 84949, 169898, 567817, 634619, 1135634, 1269238, 10788523, 21577046]

約数ペア:

[(1, 21577046), (2, 10788523), (17, 1269238), (19, 1135634), (34, 634619), (38, 567817), (127, 169898), (254, 84949), (263, 82042), (323, 66802), (526, 41021), (646, 33401), (2159, 9994), (2413, 8942), (4318, 4997), (4471, 4826)]