21859803

素因数分解:

$3^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{743}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 36211968

約数和(自身を除く): 14352165

約数列:

[1, 3, 7, 9, 21, 63, 467, 743, 1401, 2229, 3269, 4203, 5201, 6687, 9807, 15603, 29421, 46809, 346981, 1040943, 2428867, 3122829, 7286601, 21859803]

約数ペア:

[(1, 21859803), (3, 7286601), (7, 3122829), (9, 2428867), (21, 1040943), (63, 346981), (467, 46809), (743, 29421), (1401, 15603), (2229, 9807), (3269, 6687), (4203, 5201)]