21872682

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 51393888

約数和(自身を除く): 29521206

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 422, 443, 633, 886, 1266, 1329, 1899, 2658, 2743, 3798, 3987, 5486, 5759, 7974, 8229, 11518, 16458, 17277, 24687, 34554, 49374, 51831, 93473, 103662, 186946, 280419, 560838, 841257, 1215149, 1682514, 2430298, 3645447, 7290894, 10936341, 21872682]

約数ペア:

[(1, 21872682), (2, 10936341), (3, 7290894), (6, 3645447), (9, 2430298), (13, 1682514), (18, 1215149), (26, 841257), (39, 560838), (78, 280419), (117, 186946), (211, 103662), (234, 93473), (422, 51831), (443, 49374), (633, 34554), (886, 24687), (1266, 17277), (1329, 16458), (1899, 11518), (2658, 8229), (2743, 7974), (3798, 5759), (3987, 5486)]