21585732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{821}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 57816192

約数和(自身を除く): 36230460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 313, 626, 821, 939, 1252, 1642, 1878, 2191, 2463, 3284, 3756, 4382, 4926, 5747, 6573, 8764, 9852, 11494, 13146, 17241, 22988, 26292, 34482, 68964, 256973, 513946, 770919, 1027892, 1541838, 1798811, 3083676, 3597622, 5396433, 7195244, 10792866, 21585732]

約数ペア:

[(1, 21585732), (2, 10792866), (3, 7195244), (4, 5396433), (6, 3597622), (7, 3083676), (12, 1798811), (14, 1541838), (21, 1027892), (28, 770919), (42, 513946), (84, 256973), (313, 68964), (626, 34482), (821, 26292), (939, 22988), (1252, 17241), (1642, 13146), (1878, 11494), (2191, 9852), (2463, 8764), (3284, 6573), (3756, 5747), (4382, 4926)]