21779377

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^3\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 16

約数和(自身を含む): 24249600

約数和(自身を除く): 2470223

約数列:

[1, 19, 29, 47, 551, 841, 893, 1363, 15979, 24389, 25897, 39527, 463391, 751013, 1146283, 21779377]

約数ペア:

[(1, 21779377), (19, 1146283), (29, 751013), (47, 463391), (551, 39527), (841, 25897), (893, 24389), (1363, 15979)]