21178049591

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{471703}}^1$

素因数の和:471878

約数の個数: 16

約数和(自身を含む): 23773881600

約数和(自身を除く): 2595832009

約数列:

[1, 17, 19, 139, 323, 2363, 2641, 44897, 471703, 8018951, 8962357, 65566717, 152360069, 1114634189, 1245767623, 21178049591]

約数ペア:

[(1, 21178049591), (17, 1245767623), (19, 1114634189), (139, 152360069), (323, 65566717), (2363, 8962357), (2641, 8018951), (44897, 471703)]