21305414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22147}}^1$

素因数の和:22199

約数の個数: 16

約数和(自身を含む): 35348208

約数和(自身を除く): 14042794

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 22147, 44294, 287911, 575822, 819439, 1638878, 10652707, 21305414]

約数ペア:

[(1, 21305414), (2, 10652707), (13, 1638878), (26, 819439), (37, 575822), (74, 287911), (481, 44294), (962, 22147)]