21760680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10667}}^1$

素因数の和:10698

約数の個数: 64

約数和(自身を含む): 69128640

約数和(自身を除く): 47367960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10667, 21334, 32001, 42668, 53335, 64002, 85336, 106670, 128004, 160005, 181339, 213340, 256008, 320010, 362678, 426680, 544017, 640020, 725356, 906695, 1088034, 1280040, 1450712, 1813390, 2176068, 2720085, 3626780, 4352136, 5440170, 7253560, 10880340, 21760680]

約数ペア:

[(1, 21760680), (2, 10880340), (3, 7253560), (4, 5440170), (5, 4352136), (6, 3626780), (8, 2720085), (10, 2176068), (12, 1813390), (15, 1450712), (17, 1280040), (20, 1088034), (24, 906695), (30, 725356), (34, 640020), (40, 544017), (51, 426680), (60, 362678), (68, 320010), (85, 256008), (102, 213340), (120, 181339), (136, 160005), (170, 128004), (204, 106670), (255, 85336), (340, 64002), (408, 53335), (510, 42668), (680, 32001), (1020, 21334), (2040, 10667)]