21179236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6079}}^1$

素因数の和:6163

約数の個数: 24

約数和(自身を含む): 40517120

約数和(自身を除く): 19337884

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6079, 12158, 24316, 79027, 158054, 316108, 407293, 814586, 1629172, 5294809, 10589618, 21179236]

約数ペア:

[(1, 21179236), (2, 10589618), (4, 5294809), (13, 1629172), (26, 814586), (52, 407293), (67, 316108), (134, 158054), (268, 79027), (871, 24316), (1742, 12158), (3484, 6079)]