21883345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 30919680

約数和(自身を除く): 9036335

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 487, 817, 1045, 2365, 2435, 4085, 5357, 8987, 9253, 20941, 26785, 44935, 46265, 101783, 104705, 230351, 397879, 508915, 1151755, 1989395, 4376669, 21883345]

約数ペア:

[(1, 21883345), (5, 4376669), (11, 1989395), (19, 1151755), (43, 508915), (55, 397879), (95, 230351), (209, 104705), (215, 101783), (473, 46265), (487, 44935), (817, 26785), (1045, 20941), (2365, 9253), (2435, 8987), (4085, 5357)]