21771558

素因数分解:

$2^1\times 3^3\times {\mathrm{193}}^1\times {\mathrm{2089}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 48655200

約数和(自身を除く): 26883642

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 193, 386, 579, 1158, 1737, 2089, 3474, 4178, 5211, 6267, 10422, 12534, 18801, 37602, 56403, 112806, 403177, 806354, 1209531, 2419062, 3628593, 7257186, 10885779, 21771558]

約数ペア:

[(1, 21771558), (2, 10885779), (3, 7257186), (6, 3628593), (9, 2419062), (18, 1209531), (27, 806354), (54, 403177), (193, 112806), (386, 56403), (579, 37602), (1158, 18801), (1737, 12534), (2089, 10422), (3474, 6267), (4178, 5211)]