21831894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1063}}^1$

素因数の和:1241

約数の個数: 48

約数和(自身を含む): 54442752

約数和(自身を除く): 32610858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 978, 1063, 1141, 1467, 2126, 2282, 2934, 3189, 3423, 6378, 6846, 7441, 9567, 10269, 14882, 19134, 20538, 22323, 44646, 66969, 133938, 173269, 346538, 519807, 1039614, 1212883, 1559421, 2425766, 3118842, 3638649, 7277298, 10915947, 21831894]

約数ペア:

[(1, 21831894), (2, 10915947), (3, 7277298), (6, 3638649), (7, 3118842), (9, 2425766), (14, 1559421), (18, 1212883), (21, 1039614), (42, 519807), (63, 346538), (126, 173269), (163, 133938), (326, 66969), (489, 44646), (978, 22323), (1063, 20538), (1141, 19134), (1467, 14882), (2126, 10269), (2282, 9567), (2934, 7441), (3189, 6846), (3423, 6378)]