21066735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14391825

約数列:

[1, 3, 5, 15, 23, 69, 115, 227, 269, 345, 681, 807, 1135, 1345, 3405, 4035, 5221, 6187, 15663, 18561, 26105, 30935, 61063, 78315, 92805, 183189, 305315, 915945, 1404449, 4213347, 7022245, 21066735]

約数ペア:

[(1, 21066735), (3, 7022245), (5, 4213347), (15, 1404449), (23, 915945), (69, 305315), (115, 183189), (227, 92805), (269, 78315), (345, 61063), (681, 30935), (807, 26105), (1135, 18561), (1345, 15663), (3405, 6187), (4035, 5221)]