21812618975

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1\times {\mathrm{2203}}^1$

素因数の和:4200

約数の個数: 48

約数和(自身を含む): 32008427520

約数和(自身を除く): 10195808545

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 1951, 2203, 5075, 9755, 11015, 13657, 15421, 48775, 55075, 56579, 63887, 68285, 77105, 282895, 319435, 341425, 385525, 396053, 447209, 1414475, 1597175, 1980265, 2236045, 4298053, 9901325, 11180225, 21490265, 30086371, 107451325, 124643537, 150431855, 623217685, 752159275, 872504759, 3116088425, 4362523795, 21812618975]

約数ペア:

[(1, 21812618975), (5, 4362523795), (7, 3116088425), (25, 872504759), (29, 752159275), (35, 623217685), (145, 150431855), (175, 124643537), (203, 107451325), (725, 30086371), (1015, 21490265), (1951, 11180225), (2203, 9901325), (5075, 4298053), (9755, 2236045), (11015, 1980265), (13657, 1597175), (15421, 1414475), (48775, 447209), (55075, 396053), (56579, 385525), (63887, 341425), (68285, 319435), (77105, 282895)]