21787258881

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{9613}}^1$

素因数の和:9993

約数の個数: 32

約数和(自身を含む): 30457152000

約数和(自身を除く): 8669893119

約数列:

[1, 3, 29, 87, 109, 239, 327, 717, 3161, 6931, 9483, 9613, 20793, 26051, 28839, 78153, 278777, 755479, 836331, 1047817, 2266437, 2297507, 3143451, 6892521, 30386693, 66627703, 91160079, 199883109, 250428263, 751284789, 7262419627, 21787258881]

約数ペア:

[(1, 21787258881), (3, 7262419627), (29, 751284789), (87, 250428263), (109, 199883109), (239, 91160079), (327, 66627703), (717, 30386693), (3161, 6892521), (6931, 3143451), (9483, 2297507), (9613, 2266437), (20793, 1047817), (26051, 836331), (28839, 755479), (78153, 278777)]