21000944792

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{141371}}^1$

素因数の和:142007

約数の個数: 32

約数和(自身を含む): 40715136000

約数和(自身を除く): 19714191208

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 599, 1198, 2396, 4792, 18569, 37138, 74276, 141371, 148552, 282742, 565484, 1130968, 4382501, 8765002, 17530004, 35060008, 84681229, 169362458, 338724916, 677449832, 2625118099, 5250236198, 10500472396, 21000944792]

約数ペア:

[(1, 21000944792), (2, 10500472396), (4, 5250236198), (8, 2625118099), (31, 677449832), (62, 338724916), (124, 169362458), (248, 84681229), (599, 35060008), (1198, 17530004), (2396, 8765002), (4792, 4382501), (18569, 1130968), (37138, 565484), (74276, 282742), (141371, 148552)]