21693045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1801}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 38404224

約数和(自身を除く): 16711179

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1801, 2409, 4015, 5403, 9005, 12045, 19811, 27015, 59433, 99055, 131473, 297165, 394419, 657365, 1446203, 1972095, 4338609, 7231015, 21693045]

約数ペア:

[(1, 21693045), (3, 7231015), (5, 4338609), (11, 1972095), (15, 1446203), (33, 657365), (55, 394419), (73, 297165), (165, 131473), (219, 99055), (365, 59433), (803, 27015), (1095, 19811), (1801, 12045), (2409, 9005), (4015, 5403)]