21313254

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20533}}^1$

素因数の和:20711

約数の個数: 16

約数和(自身を含む): 42874992

約数和(自身を除く): 21561738

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20533, 41066, 61599, 123198, 3552209, 7104418, 10656627, 21313254]

約数ペア:

[(1, 21313254), (2, 10656627), (3, 7104418), (6, 3552209), (173, 123198), (346, 61599), (519, 41066), (1038, 20533)]