21618216

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 58868160

約数和(自身を除く): 37249944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1266, 1423, 1688, 1899, 2532, 2846, 3798, 4269, 5064, 5692, 7596, 8538, 11384, 12807, 15192, 17076, 25614, 34152, 51228, 102456, 300253, 600506, 900759, 1201012, 1801518, 2402024, 2702277, 3603036, 5404554, 7206072, 10809108, 21618216]

約数ペア:

[(1, 21618216), (2, 10809108), (3, 7206072), (4, 5404554), (6, 3603036), (8, 2702277), (9, 2402024), (12, 1801518), (18, 1201012), (24, 900759), (36, 600506), (72, 300253), (211, 102456), (422, 51228), (633, 34152), (844, 25614), (1266, 17076), (1423, 15192), (1688, 12807), (1899, 11384), (2532, 8538), (2846, 7596), (3798, 5692), (4269, 5064)]