16921998

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{13241}}^1$

素因数の和:13320

約数の個数: 24

約数和(自身を含む): 37183536

約数和(自身を除く): 20261538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 13241, 26482, 39723, 79446, 119169, 238338, 940111, 1880222, 2820333, 5640666, 8460999, 16921998]

約数ペア:

[(1, 16921998), (2, 8460999), (3, 5640666), (6, 2820333), (9, 1880222), (18, 940111), (71, 238338), (142, 119169), (213, 79446), (426, 39723), (639, 26482), (1278, 13241)]