21098994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{727}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 48362496

約数和(自身を除く): 27263502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 691, 727, 1382, 1454, 2073, 2181, 4146, 4362, 4837, 5089, 9674, 10178, 14511, 15267, 29022, 30534, 502357, 1004714, 1507071, 3014142, 3516499, 7032998, 10549497, 21098994]

約数ペア:

[(1, 21098994), (2, 10549497), (3, 7032998), (6, 3516499), (7, 3014142), (14, 1507071), (21, 1004714), (42, 502357), (691, 30534), (727, 29022), (1382, 15267), (1454, 14511), (2073, 10178), (2181, 9674), (4146, 5089), (4362, 4837)]