21988414

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2969}}^1$

素因数の和:3024

約数の個数: 24

約数和(自身を含む): 39417840

約数和(自身を除く): 17429426

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 2969, 3703, 5938, 7406, 20783, 41566, 68287, 136574, 478009, 956018, 1570601, 3141202, 10994207, 21988414]

約数ペア:

[(1, 21988414), (2, 10994207), (7, 3141202), (14, 1570601), (23, 956018), (46, 478009), (161, 136574), (322, 68287), (529, 41566), (1058, 20783), (2969, 7406), (3703, 5938)]