21524415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 38105856

約数和(自身を除く): 16581441

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1787, 2409, 4015, 5361, 8935, 12045, 19657, 26805, 58971, 98285, 130451, 294855, 391353, 652255, 1434961, 1956765, 4304883, 7174805, 21524415]

約数ペア:

[(1, 21524415), (3, 7174805), (5, 4304883), (11, 1956765), (15, 1434961), (33, 652255), (55, 391353), (73, 294855), (165, 130451), (219, 98285), (365, 58971), (803, 26805), (1095, 19657), (1787, 12045), (2409, 8935), (4015, 5361)]