21143072

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 36

約数和(自身を含む): 43548750

約数和(自身を除く): 22405678

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 529, 736, 1058, 1249, 2116, 2498, 4232, 4996, 8464, 9992, 16928, 19984, 28727, 39968, 57454, 114908, 229816, 459632, 660721, 919264, 1321442, 2642884, 5285768, 10571536, 21143072]

約数ペア:

[(1, 21143072), (2, 10571536), (4, 5285768), (8, 2642884), (16, 1321442), (23, 919264), (32, 660721), (46, 459632), (92, 229816), (184, 114908), (368, 57454), (529, 39968), (736, 28727), (1058, 19984), (1249, 16928), (2116, 9992), (2498, 8464), (4232, 4996)]