21700959

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13757601

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 683, 1513, 1869, 2049, 4539, 4781, 10591, 11611, 14343, 31773, 34833, 60787, 81277, 182361, 243831, 425509, 1033379, 1276527, 3100137, 7233653, 21700959]

約数ペア:

[(1, 21700959), (3, 7233653), (7, 3100137), (17, 1276527), (21, 1033379), (51, 425509), (89, 243831), (119, 182361), (267, 81277), (357, 60787), (623, 34833), (683, 31773), (1513, 14343), (1869, 11611), (2049, 10591), (4539, 4781)]