21368200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15263}}^1$

素因数の和:15286

約数の個数: 48

約数和(自身を含む): 56782080

約数和(自身を除く): 35413880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15263, 30526, 61052, 76315, 106841, 122104, 152630, 213682, 305260, 381575, 427364, 534205, 610520, 763150, 854728, 1068410, 1526300, 2136820, 2671025, 3052600, 4273640, 5342050, 10684100, 21368200]

約数ペア:

[(1, 21368200), (2, 10684100), (4, 5342050), (5, 4273640), (7, 3052600), (8, 2671025), (10, 2136820), (14, 1526300), (20, 1068410), (25, 854728), (28, 763150), (35, 610520), (40, 534205), (50, 427364), (56, 381575), (70, 305260), (100, 213682), (140, 152630), (175, 122104), (200, 106841), (280, 76315), (350, 61052), (700, 30526), (1400, 15263)]