21462874

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 24

約数和(自身を含む): 34747488

約数和(自身を除く): 13284614

約数列:

[1, 2, 17, 34, 71, 142, 289, 523, 578, 1046, 1207, 2414, 8891, 17782, 20519, 37133, 41038, 74266, 151147, 302294, 631261, 1262522, 10731437, 21462874]

約数ペア:

[(1, 21462874), (2, 10731437), (17, 1262522), (34, 631261), (71, 302294), (142, 151147), (289, 74266), (523, 41038), (578, 37133), (1046, 20519), (1207, 17782), (2414, 8891)]