21619164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257371}}^1$

素因数の和:257385

約数の個数: 24

約数和(自身を含む): 57651328

約数和(自身を除く): 36032164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257371, 514742, 772113, 1029484, 1544226, 1801597, 3088452, 3603194, 5404791, 7206388, 10809582, 21619164]

約数ペア:

[(1, 21619164), (2, 10809582), (3, 7206388), (4, 5404791), (6, 3603194), (7, 3088452), (12, 1801597), (14, 1544226), (21, 1029484), (28, 772113), (42, 514742), (84, 257371)]