21251214

素因数分解:

$2^1\times 3^3\times {\mathrm{393541}}^1$

素因数の和:393552

約数の個数: 16

約数和(自身を含む): 47225040

約数和(自身を除く): 25973826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393541, 787082, 1180623, 2361246, 3541869, 7083738, 10625607, 21251214]

約数ペア:

[(1, 21251214), (2, 10625607), (3, 7083738), (6, 3541869), (9, 2361246), (18, 1180623), (27, 787082), (54, 393541)]