21039222

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20269}}^1$

素因数の和:20447

約数の個数: 16

約数和(自身を含む): 42323760

約数和(自身を除く): 21284538

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20269, 40538, 60807, 121614, 3506537, 7013074, 10519611, 21039222]

約数ペア:

[(1, 21039222), (2, 10519611), (3, 7013074), (6, 3506537), (173, 121614), (346, 60807), (519, 40538), (1038, 20269)]