21541234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 38364480

約数和(自身を除く): 16823246

約数列:

[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 691, 1199, 1382, 1417, 2398, 2834, 7601, 8983, 15202, 15587, 17966, 31174, 75319, 98813, 150638, 197626, 828509, 979147, 1657018, 1958294, 10770617, 21541234]

約数ペア:

[(1, 21541234), (2, 10770617), (11, 1958294), (13, 1657018), (22, 979147), (26, 828509), (109, 197626), (143, 150638), (218, 98813), (286, 75319), (691, 31174), (1199, 17966), (1382, 15587), (1417, 15202), (2398, 8983), (2834, 7601)]