21353370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16553}}^1$

素因数の和:16606

約数の個数: 32

約数和(自身を含む): 52443072

約数和(自身を除く): 31089702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16553, 33106, 49659, 82765, 99318, 165530, 248295, 496590, 711779, 1423558, 2135337, 3558895, 4270674, 7117790, 10676685, 21353370]

約数ペア:

[(1, 21353370), (2, 10676685), (3, 7117790), (5, 4270674), (6, 3558895), (10, 2135337), (15, 1423558), (30, 711779), (43, 496590), (86, 248295), (129, 165530), (215, 99318), (258, 82765), (430, 49659), (645, 33106), (1290, 16553)]