21811016

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2293}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 43356600

約数和(自身を除く): 21545584

約数列:

[1, 2, 4, 8, 29, 41, 58, 82, 116, 164, 232, 328, 1189, 2293, 2378, 4586, 4756, 9172, 9512, 18344, 66497, 94013, 132994, 188026, 265988, 376052, 531976, 752104, 2726377, 5452754, 10905508, 21811016]

約数ペア:

[(1, 21811016), (2, 10905508), (4, 5452754), (8, 2726377), (29, 752104), (41, 531976), (58, 376052), (82, 265988), (116, 188026), (164, 132994), (232, 94013), (328, 66497), (1189, 18344), (2293, 9512), (2378, 9172), (4586, 4756)]