21370560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 68799456

約数和(自身を除く): 47428896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 160, 192, 197, 226, 240, 320, 339, 394, 452, 480, 565, 591, 678, 788, 904, 960, 985, 1130, 1182, 1356, 1576, 1695, 1808, 1970, 2260, 2364, 2712, 2955, 3152, 3390, 3616, 3940, 4520, 4728, 5424, 5910, 6304, 6780, 7232, 7880, 9040, 9456, 10848, 11820, 12608, 13560, 15760, 18080, 18912, 21696, 22261, 23640, 27120, 31520, 36160, 37824, 44522, 47280, 54240, 63040, 66783, 89044, 94560, 108480, 111305, 133566, 178088, 189120, 222610, 267132, 333915, 356176, 445220, 534264, 667830, 712352, 890440, 1068528, 1335660, 1424704, 1780880, 2137056, 2671320, 3561760, 4274112, 5342640, 7123520, 10685280, 21370560]

約数ペア:

[(1, 21370560), (2, 10685280), (3, 7123520), (4, 5342640), (5, 4274112), (6, 3561760), (8, 2671320), (10, 2137056), (12, 1780880), (15, 1424704), (16, 1335660), (20, 1068528), (24, 890440), (30, 712352), (32, 667830), (40, 534264), (48, 445220), (60, 356176), (64, 333915), (80, 267132), (96, 222610), (113, 189120), (120, 178088), (160, 133566), (192, 111305), (197, 108480), (226, 94560), (240, 89044), (320, 66783), (339, 63040), (394, 54240), (452, 47280), (480, 44522), (565, 37824), (591, 36160), (678, 31520), (788, 27120), (904, 23640), (960, 22261), (985, 21696), (1130, 18912), (1182, 18080), (1356, 15760), (1576, 13560), (1695, 12608), (1808, 11820), (1970, 10848), (2260, 9456), (2364, 9040), (2712, 7880), (2955, 7232), (3152, 6780), (3390, 6304), (3616, 5910), (3940, 5424), (4520, 4728)]