21869336

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40801}}^1$

素因数の和:40874

約数の個数: 16

約数和(自身を含む): 41618040

約数和(自身を除く): 19748704

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40801, 81602, 163204, 326408, 2733667, 5467334, 10934668, 21869336]

約数ペア:

[(1, 21869336), (2, 10934668), (4, 5467334), (8, 2733667), (67, 326408), (134, 163204), (268, 81602), (536, 40801)]