21939633404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{32455079}}^1$

素因数の和:32455109

約数の個数: 18

約数和(自身を含む): 41574957480

約数和(自身を除く): 19635324076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 32455079, 64910158, 129820316, 421916027, 843832054, 1687664108, 5484908351, 10969816702, 21939633404]

約数ペア:

[(1, 21939633404), (2, 10969816702), (4, 5484908351), (13, 1687664108), (26, 843832054), (52, 421916027), (169, 129820316), (338, 64910158), (676, 32455079)]