21093120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1831}}^1$

素因数の和:1858

約数の個数: 108

約数和(自身を含む): 73019856

約数和(自身を除く): 51926736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1831, 1920, 2304, 2880, 3662, 3840, 5493, 5760, 7324, 9155, 10986, 11520, 14648, 16479, 18310, 21972, 27465, 29296, 32958, 36620, 43944, 54930, 58592, 65916, 73240, 82395, 87888, 109860, 117184, 131832, 146480, 164790, 175776, 219720, 234368, 263664, 292960, 329580, 351552, 439440, 468736, 527328, 585920, 659160, 703104, 878880, 1054656, 1171840, 1318320, 1406208, 1757760, 2109312, 2343680, 2636640, 3515520, 4218624, 5273280, 7031040, 10546560, 21093120]

約数ペア:

[(1, 21093120), (2, 10546560), (3, 7031040), (4, 5273280), (5, 4218624), (6, 3515520), (8, 2636640), (9, 2343680), (10, 2109312), (12, 1757760), (15, 1406208), (16, 1318320), (18, 1171840), (20, 1054656), (24, 878880), (30, 703104), (32, 659160), (36, 585920), (40, 527328), (45, 468736), (48, 439440), (60, 351552), (64, 329580), (72, 292960), (80, 263664), (90, 234368), (96, 219720), (120, 175776), (128, 164790), (144, 146480), (160, 131832), (180, 117184), (192, 109860), (240, 87888), (256, 82395), (288, 73240), (320, 65916), (360, 58592), (384, 54930), (480, 43944), (576, 36620), (640, 32958), (720, 29296), (768, 27465), (960, 21972), (1152, 18310), (1280, 16479), (1440, 14648), (1831, 11520), (1920, 10986), (2304, 9155), (2880, 7324), (3662, 5760), (3840, 5493)]