21056522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{3203}}^1$

素因数の和:3397

約数の個数: 16

約数和(自身を含む): 33449760

約数和(自身を除く): 12393238

約数列:

[1, 2, 19, 38, 173, 346, 3203, 3287, 6406, 6574, 60857, 121714, 554119, 1108238, 10528261, 21056522]

約数ペア:

[(1, 21056522), (2, 10528261), (19, 1108238), (38, 554119), (173, 121714), (346, 60857), (3203, 6574), (3287, 6406)]