21041538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2207}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 48328704

約数和(自身を除く): 27287166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 227, 454, 681, 1362, 1589, 2207, 3178, 4414, 4767, 6621, 9534, 13242, 15449, 30898, 46347, 92694, 500989, 1001978, 1502967, 3005934, 3506923, 7013846, 10520769, 21041538]

約数ペア:

[(1, 21041538), (2, 10520769), (3, 7013846), (6, 3506923), (7, 3005934), (14, 1502967), (21, 1001978), (42, 500989), (227, 92694), (454, 46347), (681, 30898), (1362, 15449), (1589, 13242), (2207, 9534), (3178, 6621), (4414, 4767)]