21422643

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 32980992

約数和(自身を除く): 11558349

約数列:

[1, 3, 11, 31, 33, 43, 93, 129, 341, 473, 487, 1023, 1333, 1419, 1461, 3999, 5357, 14663, 15097, 16071, 20941, 43989, 45291, 62823, 166067, 230351, 498201, 649171, 691053, 1947513, 7140881, 21422643]

約数ペア:

[(1, 21422643), (3, 7140881), (11, 1947513), (31, 691053), (33, 649171), (43, 498201), (93, 230351), (129, 166067), (341, 62823), (473, 45291), (487, 43989), (1023, 20941), (1333, 16071), (1419, 15097), (1461, 14663), (3999, 5357)]