21130077

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{821}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 29513088

約数和(自身を除く): 8383011

約数列:

[1, 3, 23, 69, 373, 821, 1119, 2463, 8579, 18883, 25737, 56649, 306233, 918699, 7043359, 21130077]

約数ペア:

[(1, 21130077), (3, 7043359), (23, 918699), (69, 306233), (373, 56649), (821, 25737), (1119, 18883), (2463, 8579)]