21078834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3079}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 48491520

約数和(自身を除く): 27412686

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 3079, 3423, 6158, 6846, 9237, 18474, 21553, 43106, 64659, 129318, 501877, 1003754, 1505631, 3011262, 3513139, 7026278, 10539417, 21078834]

約数ペア:

[(1, 21078834), (2, 10539417), (3, 7026278), (6, 3513139), (7, 3011262), (14, 1505631), (21, 1003754), (42, 501877), (163, 129318), (326, 64659), (489, 43106), (978, 21553), (1141, 18474), (2282, 9237), (3079, 6846), (3423, 6158)]