21150477

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 33456000

約数和(自身を除く): 12305523

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 509, 513, 729, 1527, 1539, 2187, 4581, 4617, 9671, 13743, 13851, 29013, 41229, 41553, 87039, 123687, 261117, 371061, 783351, 1113183, 2350053, 7050159, 21150477]

約数ペア:

[(1, 21150477), (3, 7050159), (9, 2350053), (19, 1113183), (27, 783351), (57, 371061), (81, 261117), (171, 123687), (243, 87039), (509, 41553), (513, 41229), (729, 29013), (1527, 13851), (1539, 13743), (2187, 9671), (4581, 4617)]