21465256

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 42989760

約数和(自身を除く): 21524504

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2713, 3956, 5426, 7912, 10852, 21704, 62399, 116659, 124798, 233318, 249596, 466636, 499192, 933272, 2683157, 5366314, 10732628, 21465256]

約数ペア:

[(1, 21465256), (2, 10732628), (4, 5366314), (8, 2683157), (23, 933272), (43, 499192), (46, 466636), (86, 249596), (92, 233318), (172, 124798), (184, 116659), (344, 62399), (989, 21704), (1978, 10852), (2713, 7912), (3956, 5426)]