21480786

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25391}}^1$

素因数の和:25446

約数の個数: 24

約数和(自身を含む): 47533824

約数和(自身を除く): 26053038

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25391, 50782, 76173, 152346, 228519, 457038, 1193377, 2386754, 3580131, 7160262, 10740393, 21480786]

約数ペア:

[(1, 21480786), (2, 10740393), (3, 7160262), (6, 3580131), (9, 2386754), (18, 1193377), (47, 457038), (94, 228519), (141, 152346), (282, 76173), (423, 50782), (846, 25391)]