21836865

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 36421632

約数和(自身を除く): 14584767

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 311, 453, 465, 755, 933, 1555, 2265, 4665, 4681, 9641, 14043, 23405, 28923, 46961, 48205, 70215, 140883, 144615, 234805, 704415, 1455791, 4367373, 7278955, 21836865]

約数ペア:

[(1, 21836865), (3, 7278955), (5, 4367373), (15, 1455791), (31, 704415), (93, 234805), (151, 144615), (155, 140883), (311, 70215), (453, 48205), (465, 46961), (755, 28923), (933, 23405), (1555, 14043), (2265, 9641), (4665, 4681)]