21818559

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13202241

約数列:

[1, 3, 7, 21, 23, 69, 161, 199, 227, 483, 597, 681, 1393, 1589, 4179, 4577, 4767, 5221, 13731, 15663, 32039, 36547, 45173, 96117, 109641, 135519, 316211, 948633, 1038979, 3116937, 7272853, 21818559]

約数ペア:

[(1, 21818559), (3, 7272853), (7, 3116937), (21, 1038979), (23, 948633), (69, 316211), (161, 135519), (199, 109641), (227, 96117), (483, 45173), (597, 36547), (681, 32039), (1393, 15663), (1589, 13731), (4179, 5221), (4577, 4767)]