21988830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1741}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 52928928

約数和(自身を除く): 30940098

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1741, 2105, 2526, 3482, 4210, 5223, 6315, 8705, 10446, 12630, 17410, 26115, 52230, 732961, 1465922, 2198883, 3664805, 4397766, 7329610, 10994415, 21988830]

約数ペア:

[(1, 21988830), (2, 10994415), (3, 7329610), (5, 4397766), (6, 3664805), (10, 2198883), (15, 1465922), (30, 732961), (421, 52230), (842, 26115), (1263, 17410), (1741, 12630), (2105, 10446), (2526, 8705), (3482, 6315), (4210, 5223)]