21196324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 18166076

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2129, 2489, 4258, 4978, 8516, 9956, 40451, 80902, 161804, 278899, 557798, 1115596, 5299081, 10598162, 21196324]

約数ペア:

[(1, 21196324), (2, 10598162), (4, 5299081), (19, 1115596), (38, 557798), (76, 278899), (131, 161804), (262, 80902), (524, 40451), (2129, 9956), (2489, 8516), (4258, 4978)]