21360824

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16381}}^1$

素因数の和:16550

約数の個数: 16

約数和(自身を含む): 40299720

約数和(自身を除く): 18938896

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16381, 32762, 65524, 131048, 2670103, 5340206, 10680412, 21360824]

約数ペア:

[(1, 21360824), (2, 10680412), (4, 5340206), (8, 2670103), (163, 131048), (326, 65524), (652, 32762), (1304, 16381)]