42240275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21943}}^1$

素因数の和:21971

約数の個数: 24

約数和(自身を含む): 65305344

約数和(自身を除く): 23065069

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 21943, 109715, 153601, 241373, 548575, 768005, 1206865, 1689611, 3840025, 6034325, 8448055, 42240275]

約数ペア:

[(1, 42240275), (5, 8448055), (7, 6034325), (11, 3840025), (25, 1689611), (35, 1206865), (55, 768005), (77, 548575), (175, 241373), (275, 153601), (385, 109715), (1925, 21943)]