21396654

素因数分解:

$2^1\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2837}}^1$

素因数の和:3264

約数の個数: 24

約数和(自身を含む): 46486440

約数和(自身を除く): 25089786

約数列:

[1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 2837, 3771, 5674, 7542, 8511, 17022, 25533, 51066, 1188703, 2377406, 3566109, 7132218, 10698327, 21396654]

約数ペア:

[(1, 21396654), (2, 10698327), (3, 7132218), (6, 3566109), (9, 2377406), (18, 1188703), (419, 51066), (838, 25533), (1257, 17022), (2514, 8511), (2837, 7542), (3771, 5674)]