21340722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2557}}^1$

素因数の和:2682

約数の個数: 32

約数和(自身を含む): 46412352

約数和(自身を除く): 25071630

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2557, 2782, 4173, 5114, 7671, 8346, 15342, 33241, 66482, 99723, 199446, 273599, 547198, 820797, 1641594, 3556787, 7113574, 10670361, 21340722]

約数ペア:

[(1, 21340722), (2, 10670361), (3, 7113574), (6, 3556787), (13, 1641594), (26, 820797), (39, 547198), (78, 273599), (107, 199446), (214, 99723), (321, 66482), (642, 33241), (1391, 15342), (2557, 8346), (2782, 7671), (4173, 5114)]