21654832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71233}}^1$

素因数の和:71260

約数の個数: 20

約数和(自身を含む): 44165080

約数和(自身を除く): 22510248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71233, 142466, 284932, 569864, 1139728, 1353427, 2706854, 5413708, 10827416, 21654832]

約数ペア:

[(1, 21654832), (2, 10827416), (4, 5413708), (8, 2706854), (16, 1353427), (19, 1139728), (38, 569864), (76, 284932), (152, 142466), (304, 71233)]