21184288

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 44089920

約数和(自身を除く): 22905632

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 107, 184, 214, 269, 368, 428, 538, 736, 856, 1076, 1712, 2152, 2461, 3424, 4304, 4922, 6187, 8608, 9844, 12374, 19688, 24748, 28783, 39376, 49496, 57566, 78752, 98992, 115132, 197984, 230264, 460528, 662009, 921056, 1324018, 2648036, 5296072, 10592144, 21184288]

約数ペア:

[(1, 21184288), (2, 10592144), (4, 5296072), (8, 2648036), (16, 1324018), (23, 921056), (32, 662009), (46, 460528), (92, 230264), (107, 197984), (184, 115132), (214, 98992), (269, 78752), (368, 57566), (428, 49496), (538, 39376), (736, 28783), (856, 24748), (1076, 19688), (1712, 12374), (2152, 9844), (2461, 8608), (3424, 6187), (4304, 4922)]