21122696

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5167}}^1$

素因数の和:5253

約数の個数: 32

約数和(自身を含む): 45891840

約数和(自身を除く): 24769144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5167, 10334, 20668, 36169, 41336, 72338, 144676, 289352, 377191, 754382, 1508764, 2640337, 3017528, 5280674, 10561348, 21122696]

約数ペア:

[(1, 21122696), (2, 10561348), (4, 5280674), (7, 3017528), (8, 2640337), (14, 1508764), (28, 754382), (56, 377191), (73, 289352), (146, 144676), (292, 72338), (511, 41336), (584, 36169), (1022, 20668), (2044, 10334), (4088, 5167)]