21033846

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 46972224

約数和(自身を除く): 25938378

約数列:

[1, 2, 3, 6, 9, 18, 67, 107, 134, 163, 201, 214, 321, 326, 402, 489, 603, 642, 963, 978, 1206, 1467, 1926, 2934, 7169, 10921, 14338, 17441, 21507, 21842, 32763, 34882, 43014, 52323, 64521, 65526, 98289, 104646, 129042, 156969, 196578, 313938, 1168547, 2337094, 3505641, 7011282, 10516923, 21033846]

約数ペア:

[(1, 21033846), (2, 10516923), (3, 7011282), (6, 3505641), (9, 2337094), (18, 1168547), (67, 313938), (107, 196578), (134, 156969), (163, 129042), (201, 104646), (214, 98289), (321, 65526), (326, 64521), (402, 52323), (489, 43014), (603, 34882), (642, 32763), (963, 21842), (978, 21507), (1206, 17441), (1467, 14338), (1926, 10921), (2934, 7169)]