20162221821

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6809261}}^1$

素因数の和:6809321

約数の個数: 24

約数和(自身を含む): 33991835904

約数和(自身を除く): 13829614083

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6809261, 20427783, 47664827, 61283349, 142994481, 320035267, 428983443, 960105801, 2240246869, 2880317403, 6720740607, 20162221821]

約数ペア:

[(1, 20162221821), (3, 6720740607), (7, 2880317403), (9, 2240246869), (21, 960105801), (47, 428983443), (63, 320035267), (141, 142994481), (329, 61283349), (423, 47664827), (987, 20427783), (2961, 6809261)]