21235035

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 34947072

約数和(自身を除く): 13712037

約数列:

[1, 3, 5, 15, 71, 127, 157, 213, 355, 381, 471, 635, 785, 1065, 1905, 2355, 9017, 11147, 19939, 27051, 33441, 45085, 55735, 59817, 99695, 135255, 167205, 299085, 1415669, 4247007, 7078345, 21235035]

約数ペア:

[(1, 21235035), (3, 7078345), (5, 4247007), (15, 1415669), (71, 299085), (127, 167205), (157, 135255), (213, 99695), (355, 59817), (381, 55735), (471, 45085), (635, 33441), (785, 27051), (1065, 19939), (1905, 11147), (2355, 9017)]