21912960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 71163360

約数和(自身を除く): 49250400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 113, 120, 128, 160, 192, 202, 226, 240, 303, 320, 339, 384, 404, 452, 480, 505, 565, 606, 640, 678, 808, 904, 960, 1010, 1130, 1212, 1356, 1515, 1616, 1695, 1808, 1920, 2020, 2260, 2424, 2712, 3030, 3232, 3390, 3616, 4040, 4520, 4848, 5424, 6060, 6464, 6780, 7232, 8080, 9040, 9696, 10848, 11413, 12120, 12928, 13560, 14464, 16160, 18080, 19392, 21696, 22826, 24240, 27120, 32320, 34239, 36160, 38784, 43392, 45652, 48480, 54240, 57065, 64640, 68478, 72320, 91304, 96960, 108480, 114130, 136956, 171195, 182608, 193920, 216960, 228260, 273912, 342390, 365216, 456520, 547824, 684780, 730432, 913040, 1095648, 1369560, 1460864, 1826080, 2191296, 2739120, 3652160, 4382592, 5478240, 7304320, 10956480, 21912960]

約数ペア:

[(1, 21912960), (2, 10956480), (3, 7304320), (4, 5478240), (5, 4382592), (6, 3652160), (8, 2739120), (10, 2191296), (12, 1826080), (15, 1460864), (16, 1369560), (20, 1095648), (24, 913040), (30, 730432), (32, 684780), (40, 547824), (48, 456520), (60, 365216), (64, 342390), (80, 273912), (96, 228260), (101, 216960), (113, 193920), (120, 182608), (128, 171195), (160, 136956), (192, 114130), (202, 108480), (226, 96960), (240, 91304), (303, 72320), (320, 68478), (339, 64640), (384, 57065), (404, 54240), (452, 48480), (480, 45652), (505, 43392), (565, 38784), (606, 36160), (640, 34239), (678, 32320), (808, 27120), (904, 24240), (960, 22826), (1010, 21696), (1130, 19392), (1212, 18080), (1356, 16160), (1515, 14464), (1616, 13560), (1695, 12928), (1808, 12120), (1920, 11413), (2020, 10848), (2260, 9696), (2424, 9040), (2712, 8080), (3030, 7232), (3232, 6780), (3390, 6464), (3616, 6060), (4040, 5424), (4520, 4848)]