21950655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1459}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 37843200

約数和(自身を除く): 15892545

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 177, 255, 295, 885, 1003, 1459, 3009, 4377, 5015, 7295, 15045, 21885, 24803, 74409, 86081, 124015, 258243, 372045, 430405, 1291215, 1463377, 4390131, 7316885, 21950655]

約数ペア:

[(1, 21950655), (3, 7316885), (5, 4390131), (15, 1463377), (17, 1291215), (51, 430405), (59, 372045), (85, 258243), (177, 124015), (255, 86081), (295, 74409), (885, 24803), (1003, 21885), (1459, 15045), (3009, 7295), (4377, 5015)]