21885738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11087}}^1$

素因数の和:11146

約数の個数: 32

約数和(自身を含む): 51093504

約数和(自身を除く): 29207766

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 11087, 22174, 33261, 66522, 77609, 155218, 232827, 465654, 521089, 1042178, 1563267, 3126534, 3647623, 7295246, 10942869, 21885738]

約数ペア:

[(1, 21885738), (2, 10942869), (3, 7295246), (6, 3647623), (7, 3126534), (14, 1563267), (21, 1042178), (42, 521089), (47, 465654), (94, 232827), (141, 155218), (282, 77609), (329, 66522), (658, 33261), (987, 22174), (1974, 11087)]