21619256

素因数分解:

$2^3\times {\mathrm{1091}}^1\times {\mathrm{2477}}^1$

素因数の和:3574

約数の個数: 16

約数和(自身を含む): 40589640

約数和(自身を除く): 18970384

約数列:

[1, 2, 4, 8, 1091, 2182, 2477, 4364, 4954, 8728, 9908, 19816, 2702407, 5404814, 10809628, 21619256]

約数ペア:

[(1, 21619256), (2, 10809628), (4, 5404814), (8, 2702407), (1091, 19816), (2182, 9908), (2477, 8728), (4364, 4954)]