21499533

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13521267

約数列:

[1, 3, 9, 11, 27, 33, 99, 191, 297, 379, 573, 1137, 1719, 2101, 3411, 4169, 5157, 6303, 10233, 12507, 18909, 37521, 56727, 72389, 112563, 217167, 651501, 796279, 1954503, 2388837, 7166511, 21499533]

約数ペア:

[(1, 21499533), (3, 7166511), (9, 2388837), (11, 1954503), (27, 796279), (33, 651501), (99, 217167), (191, 112563), (297, 72389), (379, 56727), (573, 37521), (1137, 18909), (1719, 12507), (2101, 10233), (3411, 6303), (4169, 5157)]