21901623

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6299}}^1$

素因数の和:6382

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 9346377

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6299, 18897, 119681, 359043, 384239, 1152717, 7300541, 21901623]

約数ペア:

[(1, 21901623), (3, 7300541), (19, 1152717), (57, 384239), (61, 359043), (183, 119681), (1159, 18897), (3477, 6299)]