21192786

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10607}}^1$

素因数の和:10655

約数の個数: 32

約数和(自身を含む): 48372480

約数和(自身を除く): 27179694

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10607, 21214, 31821, 63642, 95463, 190926, 286389, 392459, 572778, 784918, 1177377, 2354754, 3532131, 7064262, 10596393, 21192786]

約数ペア:

[(1, 21192786), (2, 10596393), (3, 7064262), (6, 3532131), (9, 2354754), (18, 1177377), (27, 784918), (37, 572778), (54, 392459), (74, 286389), (111, 190926), (222, 95463), (333, 63642), (666, 31821), (999, 21214), (1998, 10607)]