21019344

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25759}}^1$

素因数の和:25787

約数の個数: 40

約数和(自身を含む): 57496320

約数和(自身を除く): 36476976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25759, 51518, 77277, 103036, 154554, 206072, 309108, 412144, 437903, 618216, 875806, 1236432, 1313709, 1751612, 2627418, 3503224, 5254836, 7006448, 10509672, 21019344]

約数ペア:

[(1, 21019344), (2, 10509672), (3, 7006448), (4, 5254836), (6, 3503224), (8, 2627418), (12, 1751612), (16, 1313709), (17, 1236432), (24, 875806), (34, 618216), (48, 437903), (51, 412144), (68, 309108), (102, 206072), (136, 154554), (204, 103036), (272, 77277), (408, 51518), (816, 25759)]