21634084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{284659}}^1$

素因数の和:284682

約数の個数: 12

約数和(自身を含む): 39852400

約数和(自身を除く): 18218316

約数列:

[1, 2, 4, 19, 38, 76, 284659, 569318, 1138636, 5408521, 10817042, 21634084]

約数ペア:

[(1, 21634084), (2, 10817042), (4, 5408521), (19, 1138636), (38, 569318), (76, 284659)]