21618903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4801}}^1$

素因数の和:4902

約数の個数: 16

約数和(自身を含む): 30732800

約数和(自身を除く): 9113897

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4801, 14403, 91219, 273657, 379279, 1137837, 7206301, 21618903]

約数ペア:

[(1, 21618903), (3, 7206301), (19, 1137837), (57, 379279), (79, 273657), (237, 91219), (1501, 14403), (4503, 4801)]