21273126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{733}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 48761088

約数和(自身を除く): 27487962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 691, 733, 1382, 1466, 2073, 2199, 4146, 4398, 4837, 5131, 9674, 10262, 14511, 15393, 29022, 30786, 506503, 1013006, 1519509, 3039018, 3545521, 7091042, 10636563, 21273126]

約数ペア:

[(1, 21273126), (2, 10636563), (3, 7091042), (6, 3545521), (7, 3039018), (14, 1519509), (21, 1013006), (42, 506503), (691, 30786), (733, 29022), (1382, 15393), (1466, 14511), (2073, 10262), (2199, 9674), (4146, 5131), (4398, 4837)]