21040692

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 51136512

約数和(自身を除く): 30095820

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 163, 186, 326, 347, 372, 489, 652, 694, 978, 1041, 1388, 1956, 2082, 4164, 5053, 10106, 10757, 15159, 20212, 21514, 30318, 32271, 43028, 56561, 60636, 64542, 113122, 129084, 169683, 226244, 339366, 678732, 1753391, 3506782, 5260173, 7013564, 10520346, 21040692]

約数ペア:

[(1, 21040692), (2, 10520346), (3, 7013564), (4, 5260173), (6, 3506782), (12, 1753391), (31, 678732), (62, 339366), (93, 226244), (124, 169683), (163, 129084), (186, 113122), (326, 64542), (347, 60636), (372, 56561), (489, 43028), (652, 32271), (694, 30318), (978, 21514), (1041, 20212), (1388, 15159), (1956, 10757), (2082, 10106), (4164, 5053)]