21083515565

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{57529}}^1$

素因数の和:57861

約数の個数: 32

約数和(自身を含む): 29801460480

約数和(自身を除く): 8717944915

約数列:

[1, 5, 7, 35, 37, 185, 259, 283, 1295, 1415, 1981, 9905, 10471, 52355, 57529, 73297, 287645, 366485, 402703, 2013515, 2128573, 10642865, 14900011, 16280707, 74500055, 81403535, 113964949, 569824745, 602386159, 3011930795, 4216703113, 21083515565]

約数ペア:

[(1, 21083515565), (5, 4216703113), (7, 3011930795), (35, 602386159), (37, 569824745), (185, 113964949), (259, 81403535), (283, 74500055), (1295, 16280707), (1415, 14900011), (1981, 10642865), (9905, 2128573), (10471, 2013515), (52355, 402703), (57529, 366485), (73297, 287645)]