21208088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 43560720

約数和(自身を除く): 22352632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 601, 802, 1202, 1604, 2404, 3208, 4411, 4808, 6611, 8822, 13222, 17644, 26444, 35288, 52888, 241001, 482002, 964004, 1928008, 2651011, 5302022, 10604044, 21208088]

約数ペア:

[(1, 21208088), (2, 10604044), (4, 5302022), (8, 2651011), (11, 1928008), (22, 964004), (44, 482002), (88, 241001), (401, 52888), (601, 35288), (802, 26444), (1202, 17644), (1604, 13222), (2404, 8822), (3208, 6611), (4411, 4808)]