21998767925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{5077}}^1\times {\mathrm{5591}}^1$

素因数の和:10709

約数の個数: 24

約数和(自身を含む): 28169006592

約数和(自身を除く): 6170238667

約数列:

[1, 5, 25, 31, 155, 775, 5077, 5591, 25385, 27955, 126925, 139775, 157387, 173321, 786935, 866605, 3934675, 4333025, 28385507, 141927535, 709637675, 879950717, 4399753585, 21998767925]

約数ペア:

[(1, 21998767925), (5, 4399753585), (25, 879950717), (31, 709637675), (155, 141927535), (775, 28385507), (5077, 4333025), (5591, 3934675), (25385, 866605), (27955, 786935), (126925, 173321), (139775, 157387)]