21001764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13159}}^1$

素因数の和:13192

約数の個数: 48

約数和(自身を含む): 58956800

約数和(自身を除く): 37955036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13159, 26318, 39477, 52636, 78954, 92113, 157908, 184226, 250021, 276339, 368452, 500042, 552678, 750063, 1000084, 1105356, 1500126, 1750147, 3000252, 3500294, 5250441, 7000588, 10500882, 21001764]

約数ペア:

[(1, 21001764), (2, 10500882), (3, 7000588), (4, 5250441), (6, 3500294), (7, 3000252), (12, 1750147), (14, 1500126), (19, 1105356), (21, 1000084), (28, 750063), (38, 552678), (42, 500042), (57, 368452), (76, 276339), (84, 250021), (114, 184226), (133, 157908), (228, 92113), (266, 78954), (399, 52636), (532, 39477), (798, 26318), (1596, 13159)]