21427373

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 2807827

約数列:

[1, 11, 43, 89, 473, 509, 979, 3827, 5599, 21887, 42097, 45301, 240757, 498311, 1947943, 21427373]

約数ペア:

[(1, 21427373), (11, 1947943), (43, 498311), (89, 240757), (473, 45301), (509, 42097), (979, 21887), (3827, 5599)]