21135422

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2024

約数の個数: 32

約数和(自身を含む): 40103424

約数和(自身を除く): 18968002

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1933, 3866, 5467, 10934, 13531, 21263, 27062, 42526, 137243, 148841, 274486, 297682, 960701, 1509673, 1921402, 3019346, 10567711, 21135422]

約数ペア:

[(1, 21135422), (2, 10567711), (7, 3019346), (11, 1921402), (14, 1509673), (22, 960701), (71, 297682), (77, 274486), (142, 148841), (154, 137243), (497, 42526), (781, 27062), (994, 21263), (1562, 13531), (1933, 10934), (3866, 5467)]