21209491236

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{13916989}}^1$

素因数の和:13917123

約数の個数: 24

約数和(自身を含む): 49878492160

約数和(自身を除く): 28669000924

約数列:

[1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524, 13916989, 27833978, 41750967, 55667956, 83501934, 167003868, 1767457603, 3534915206, 5302372809, 7069830412, 10604745618, 21209491236]

約数ペア:

[(1, 21209491236), (2, 10604745618), (3, 7069830412), (4, 5302372809), (6, 3534915206), (12, 1767457603), (127, 167003868), (254, 83501934), (381, 55667956), (508, 41750967), (762, 27833978), (1524, 13916989)]