21276426

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 23979894

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2909, 3657, 5818, 7314, 8727, 17454, 66907, 133814, 154177, 200721, 308354, 401442, 462531, 925062, 3546071, 7092142, 10638213, 21276426]

約数ペア:

[(1, 21276426), (2, 10638213), (3, 7092142), (6, 3546071), (23, 925062), (46, 462531), (53, 401442), (69, 308354), (106, 200721), (138, 154177), (159, 133814), (318, 66907), (1219, 17454), (2438, 8727), (2909, 7314), (3657, 5818)]