21589504

素因数分解:

$2^9\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:450

約数の個数: 40

約数和(自身を含む): 43579800

約数和(自身を除く): 21990296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 283, 298, 512, 566, 596, 1132, 1192, 2264, 2384, 4528, 4768, 9056, 9536, 18112, 19072, 36224, 38144, 42167, 72448, 76288, 84334, 144896, 168668, 337336, 674672, 1349344, 2698688, 5397376, 10794752, 21589504]

約数ペア:

[(1, 21589504), (2, 10794752), (4, 5397376), (8, 2698688), (16, 1349344), (32, 674672), (64, 337336), (128, 168668), (149, 144896), (256, 84334), (283, 76288), (298, 72448), (512, 42167), (566, 38144), (596, 36224), (1132, 19072), (1192, 18112), (2264, 9536), (2384, 9056), (4528, 4768)]