21446816

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{9181}}^1$

素因数の和:9264

約数の個数: 24

約数和(自身を含む): 42806484

約数和(自身を除く): 21359668

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 9181, 18362, 36724, 73448, 146896, 293792, 670213, 1340426, 2680852, 5361704, 10723408, 21446816]

約数ペア:

[(1, 21446816), (2, 10723408), (4, 5361704), (8, 2680852), (16, 1340426), (32, 670213), (73, 293792), (146, 146896), (292, 73448), (584, 36724), (1168, 18362), (2336, 9181)]