21131456

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{4523}}^1$

素因数の和:4608

約数の個数: 28

約数和(自身を含む): 42516552

約数和(自身を除く): 21385096

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4523, 4672, 9046, 18092, 36184, 72368, 144736, 289472, 330179, 660358, 1320716, 2641432, 5282864, 10565728, 21131456]

約数ペア:

[(1, 21131456), (2, 10565728), (4, 5282864), (8, 2641432), (16, 1320716), (32, 660358), (64, 330179), (73, 289472), (146, 144736), (292, 72368), (584, 36184), (1168, 18092), (2336, 9046), (4523, 4672)]