21740275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 29167280

約数和(自身を除く): 7427005

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 1237, 3515, 6185, 17575, 23503, 30925, 45769, 117515, 228845, 587575, 869611, 1144225, 4348055, 21740275]

約数ペア:

[(1, 21740275), (5, 4348055), (19, 1144225), (25, 869611), (37, 587575), (95, 228845), (185, 117515), (475, 45769), (703, 30925), (925, 23503), (1237, 17575), (3515, 6185)]