21229352

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39607}}^1$

素因数の和:39680

約数の個数: 16

約数和(自身を含む): 40400160

約数和(自身を除く): 19170808

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39607, 79214, 158428, 316856, 2653669, 5307338, 10614676, 21229352]

約数ペア:

[(1, 21229352), (2, 10614676), (4, 5307338), (8, 2653669), (67, 316856), (134, 158428), (268, 79214), (536, 39607)]