21667695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10861}}^1$

素因数の和:10895

約数の個数: 32

約数和(自身を含む): 41710080

約数和(自身を除く): 20042385

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10861, 32583, 54305, 76027, 162915, 206359, 228081, 380135, 619077, 1031795, 1140405, 1444513, 3095385, 4333539, 7222565, 21667695]

約数ペア:

[(1, 21667695), (3, 7222565), (5, 4333539), (7, 3095385), (15, 1444513), (19, 1140405), (21, 1031795), (35, 619077), (57, 380135), (95, 228081), (105, 206359), (133, 162915), (285, 76027), (399, 54305), (665, 32583), (1995, 10861)]