21010941

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5851}}^1$

素因数の和:5886

約数の個数: 32

約数和(自身を含む): 37452800

約数和(自身を除く): 16441859

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5851, 17553, 40957, 52659, 111169, 122871, 157977, 333507, 368613, 778183, 1000521, 1105839, 2334549, 3001563, 7003647, 21010941]

約数ペア:

[(1, 21010941), (3, 7003647), (7, 3001563), (9, 2334549), (19, 1105839), (21, 1000521), (27, 778183), (57, 368613), (63, 333507), (133, 157977), (171, 122871), (189, 111169), (399, 52659), (513, 40957), (1197, 17553), (3591, 5851)]