21641445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22901}}^1$

素因数の和:22922

約数の個数: 32

約数和(自身を含む): 43971840

約数和(自身を除く): 22330395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22901, 68703, 114505, 160307, 206109, 343515, 480921, 618327, 801535, 1030545, 1442763, 2404605, 3091635, 4328289, 7213815, 21641445]

約数ペア:

[(1, 21641445), (3, 7213815), (5, 4328289), (7, 3091635), (9, 2404605), (15, 1442763), (21, 1030545), (27, 801535), (35, 618327), (45, 480921), (63, 343515), (105, 206109), (135, 160307), (189, 114505), (315, 68703), (945, 22901)]