21300726

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 43584480

約数和(自身を除く): 22283754

約数列:

[1, 2, 3, 6, 89, 113, 178, 226, 267, 339, 353, 534, 678, 706, 1059, 2118, 10057, 20114, 30171, 31417, 39889, 60342, 62834, 79778, 94251, 119667, 188502, 239334, 3550121, 7100242, 10650363, 21300726]

約数ペア:

[(1, 21300726), (2, 10650363), (3, 7100242), (6, 3550121), (89, 239334), (113, 188502), (178, 119667), (226, 94251), (267, 79778), (339, 62834), (353, 60342), (534, 39889), (678, 31417), (706, 30171), (1059, 20114), (2118, 10057)]