21596040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 49165560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 239, 251, 360, 478, 502, 717, 753, 956, 1004, 1195, 1255, 1434, 1506, 1912, 2008, 2151, 2259, 2390, 2510, 2868, 3012, 3585, 3765, 4302, 4518, 4780, 5020, 5736, 6024, 7170, 7530, 8604, 9036, 9560, 10040, 10755, 11295, 14340, 15060, 17208, 18072, 21510, 22590, 28680, 30120, 43020, 45180, 59989, 86040, 90360, 119978, 179967, 239956, 299945, 359934, 479912, 539901, 599890, 719868, 899835, 1079802, 1199780, 1439736, 1799670, 2159604, 2399560, 2699505, 3599340, 4319208, 5399010, 7198680, 10798020, 21596040]

約数ペア:

[(1, 21596040), (2, 10798020), (3, 7198680), (4, 5399010), (5, 4319208), (6, 3599340), (8, 2699505), (9, 2399560), (10, 2159604), (12, 1799670), (15, 1439736), (18, 1199780), (20, 1079802), (24, 899835), (30, 719868), (36, 599890), (40, 539901), (45, 479912), (60, 359934), (72, 299945), (90, 239956), (120, 179967), (180, 119978), (239, 90360), (251, 86040), (360, 59989), (478, 45180), (502, 43020), (717, 30120), (753, 28680), (956, 22590), (1004, 21510), (1195, 18072), (1255, 17208), (1434, 15060), (1506, 14340), (1912, 11295), (2008, 10755), (2151, 10040), (2259, 9560), (2390, 9036), (2510, 8604), (2868, 7530), (3012, 7170), (3585, 6024), (3765, 5736), (4302, 5020), (4518, 4780)]