21751894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 13729706

約数列:

[1, 2, 31, 41, 43, 62, 82, 86, 199, 398, 1271, 1333, 1763, 2542, 2666, 3526, 6169, 8159, 8557, 12338, 16318, 17114, 54653, 109306, 252929, 265267, 350837, 505858, 530534, 701674, 10875947, 21751894]

約数ペア:

[(1, 21751894), (2, 10875947), (31, 701674), (41, 530534), (43, 505858), (62, 350837), (82, 265267), (86, 252929), (199, 109306), (398, 54653), (1271, 17114), (1333, 16318), (1763, 12338), (2542, 8557), (2666, 8159), (3526, 6169)]