21278346906

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1\times {\mathrm{63907}}^1$

素因数の和:64386

約数の個数: 32

約数和(自身を含む): 42921635328

約数和(自身を除く): 21643288422

約数列:

[1, 2, 3, 6, 211, 263, 422, 526, 633, 789, 1266, 1578, 55493, 63907, 110986, 127814, 166479, 191721, 332958, 383442, 13484377, 16807541, 26968754, 33615082, 40453131, 50422623, 80906262, 100845246, 3546391151, 7092782302, 10639173453, 21278346906]

約数ペア:

[(1, 21278346906), (2, 10639173453), (3, 7092782302), (6, 3546391151), (211, 100845246), (263, 80906262), (422, 50422623), (526, 40453131), (633, 33615082), (789, 26968754), (1266, 16807541), (1578, 13484377), (55493, 383442), (63907, 332958), (110986, 191721), (127814, 166479)]