21703560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10639}}^1$

素因数の和:10670

約数の個数: 64

約数和(自身を含む): 68947200

約数和(自身を除く): 47243640

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, 10639, 21278, 31917, 42556, 53195, 63834, 85112, 106390, 127668, 159585, 180863, 212780, 255336, 319170, 361726, 425560, 542589, 638340, 723452, 904315, 1085178, 1276680, 1446904, 1808630, 2170356, 2712945, 3617260, 4340712, 5425890, 7234520, 10851780, 21703560]

約数ペア:

[(1, 21703560), (2, 10851780), (3, 7234520), (4, 5425890), (5, 4340712), (6, 3617260), (8, 2712945), (10, 2170356), (12, 1808630), (15, 1446904), (17, 1276680), (20, 1085178), (24, 904315), (30, 723452), (34, 638340), (40, 542589), (51, 425560), (60, 361726), (68, 319170), (85, 255336), (102, 212780), (120, 180863), (136, 159585), (170, 127668), (204, 106390), (255, 85112), (340, 63834), (408, 53195), (510, 42556), (680, 31917), (1020, 21278), (2040, 10639)]