21824787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 11076333

約数列:

[1, 3, 17, 19, 51, 57, 101, 223, 303, 323, 669, 969, 1717, 1919, 3791, 4237, 5151, 5757, 11373, 12711, 22523, 32623, 67569, 72029, 97869, 216087, 382891, 427937, 1148673, 1283811, 7274929, 21824787]

約数ペア:

[(1, 21824787), (3, 7274929), (17, 1283811), (19, 1148673), (51, 427937), (57, 382891), (101, 216087), (223, 97869), (303, 72029), (323, 67569), (669, 32623), (969, 22523), (1717, 12711), (1919, 11373), (3791, 5757), (4237, 5151)]