21787414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 16574186

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 1034, 1109, 1786, 2218, 9823, 12199, 19646, 21071, 24398, 42142, 52123, 104246, 231781, 463562, 573353, 990337, 1146706, 1980674, 10893707, 21787414]

約数ペア:

[(1, 21787414), (2, 10893707), (11, 1980674), (19, 1146706), (22, 990337), (38, 573353), (47, 463562), (94, 231781), (209, 104246), (418, 52123), (517, 42142), (893, 24398), (1034, 21071), (1109, 19646), (1786, 12199), (2218, 9823)]