21516362

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66821}}^1$

素因数の和:66853

約数の個数: 16

約数和(自身を含む): 38489472

約数和(自身を除く): 16973110

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66821, 133642, 467747, 935494, 1536883, 3073766, 10758181, 21516362]

約数ペア:

[(1, 21516362), (2, 10758181), (7, 3073766), (14, 1536883), (23, 935494), (46, 467747), (161, 133642), (322, 66821)]