21419298

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4391}}^1$

素因数の和:4670

約数の個数: 24

約数和(自身を含む): 46590336

約数和(自身を除く): 25171038

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4391, 4878, 8782, 13173, 26346, 39519, 79038, 1189961, 2379922, 3569883, 7139766, 10709649, 21419298]

約数ペア:

[(1, 21419298), (2, 10709649), (3, 7139766), (6, 3569883), (9, 2379922), (18, 1189961), (271, 79038), (542, 39519), (813, 26346), (1626, 13173), (2439, 8782), (4391, 4878)]