21167150170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72990173}}^1$

素因数の和:72990209

約数の個数: 16

約数和(自身を含む): 39414693960

約数和(自身を除く): 18247543790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72990173, 145980346, 364950865, 729901730, 2116715017, 4233430034, 10583575085, 21167150170]

約数ペア:

[(1, 21167150170), (2, 10583575085), (5, 4233430034), (10, 2116715017), (29, 729901730), (58, 364950865), (145, 145980346), (290, 72990173)]