21917049

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1201}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 36925440

約数和(自身を除く): 15008391

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1201, 1659, 2607, 3603, 6083, 8407, 13211, 18249, 25221, 39633, 92477, 94879, 277431, 284637, 664153, 1043669, 1992459, 3131007, 7305683, 21917049]

約数ペア:

[(1, 21917049), (3, 7305683), (7, 3131007), (11, 1992459), (21, 1043669), (33, 664153), (77, 284637), (79, 277431), (231, 94879), (237, 92477), (553, 39633), (869, 25221), (1201, 18249), (1659, 13211), (2607, 8407), (3603, 6083)]