21916972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6469}}^1$

素因数の和:6502

約数の個数: 36

約数和(自身を含む): 48188560

約数和(自身を除く): 26271588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6469, 12938, 25876, 45283, 71159, 90566, 142318, 181132, 284636, 498113, 782749, 996226, 1565498, 1992452, 3130996, 5479243, 10958486, 21916972]

約数ペア:

[(1, 21916972), (2, 10958486), (4, 5479243), (7, 3130996), (11, 1992452), (14, 1565498), (22, 996226), (28, 782749), (44, 498113), (77, 284636), (121, 181132), (154, 142318), (242, 90566), (308, 71159), (484, 45283), (847, 25876), (1694, 12938), (3388, 6469)]