21168301

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 26494848

約数和(自身を除く): 5326547

約数列:

[1, 7, 11, 77, 421, 653, 2947, 4571, 4631, 7183, 32417, 50281, 274913, 1924391, 3024043, 21168301]

約数ペア:

[(1, 21168301), (7, 3024043), (11, 1924391), (77, 274913), (421, 50281), (653, 32417), (2947, 7183), (4571, 4631)]