21572100085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{52121}}^1$

素因数の和:52269

約数の個数: 32

約数和(自身を含む): 27920712960

約数和(自身を除く): 6348612875

約数列:

[1, 5, 23, 59, 61, 115, 295, 305, 1357, 1403, 3599, 6785, 7015, 17995, 52121, 82777, 260605, 413885, 1198783, 3075139, 3179381, 5993915, 15375695, 15896905, 70728197, 73125763, 187583479, 353640985, 365628815, 937917395, 4314420017, 21572100085]

約数ペア:

[(1, 21572100085), (5, 4314420017), (23, 937917395), (59, 365628815), (61, 353640985), (115, 187583479), (295, 73125763), (305, 70728197), (1357, 15896905), (1403, 15375695), (3599, 5993915), (6785, 3179381), (7015, 3075139), (17995, 1198783), (52121, 413885), (82777, 260605)]