21029624

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4877}}^1$

素因数の和:4908

約数の個数: 48

約数和(自身を含む): 50048280

約数和(自身を除く): 29018656

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4877, 9754, 19508, 34139, 39016, 53647, 68278, 107294, 136556, 214588, 238973, 273112, 375529, 429176, 477946, 751058, 955892, 1502116, 1911784, 2628703, 3004232, 5257406, 10514812, 21029624]

約数ペア:

[(1, 21029624), (2, 10514812), (4, 5257406), (7, 3004232), (8, 2628703), (11, 1911784), (14, 1502116), (22, 955892), (28, 751058), (44, 477946), (49, 429176), (56, 375529), (77, 273112), (88, 238973), (98, 214588), (154, 136556), (196, 107294), (308, 68278), (392, 53647), (539, 39016), (616, 34139), (1078, 19508), (2156, 9754), (4312, 4877)]