21719040

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 80196480

約数和(自身を除く): 58477440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 101, 105, 112, 120, 128, 140, 160, 168, 192, 202, 210, 224, 240, 256, 280, 303, 320, 336, 384, 404, 420, 448, 480, 505, 512, 560, 606, 640, 672, 707, 768, 808, 840, 896, 960, 1010, 1024, 1120, 1212, 1280, 1344, 1414, 1515, 1536, 1616, 1680, 1792, 1920, 2020, 2048, 2121, 2240, 2424, 2560, 2688, 2828, 3030, 3072, 3232, 3360, 3535, 3584, 3840, 4040, 4242, 4480, 4848, 5120, 5376, 5656, 6060, 6144, 6464, 6720, 7070, 7168, 7680, 8080, 8484, 8960, 9696, 10240, 10605, 10752, 11312, 12120, 12928, 13440, 14140, 14336, 15360, 16160, 16968, 17920, 19392, 21210, 21504, 22624, 24240, 25856, 26880, 28280, 30720, 32320, 33936, 35840, 38784, 42420, 43008, 45248, 48480, 51712, 53760, 56560, 64640, 67872, 71680, 77568, 84840, 90496, 96960, 103424, 107520, 113120, 129280, 135744, 155136, 169680, 180992, 193920, 206848, 215040, 226240, 258560, 271488, 310272, 339360, 361984, 387840, 452480, 517120, 542976, 620544, 678720, 723968, 775680, 904960, 1034240, 1085952, 1357440, 1447936, 1551360, 1809920, 2171904, 2714880, 3102720, 3619840, 4343808, 5429760, 7239680, 10859520, 21719040]

約数ペア:

[(1, 21719040), (2, 10859520), (3, 7239680), (4, 5429760), (5, 4343808), (6, 3619840), (7, 3102720), (8, 2714880), (10, 2171904), (12, 1809920), (14, 1551360), (15, 1447936), (16, 1357440), (20, 1085952), (21, 1034240), (24, 904960), (28, 775680), (30, 723968), (32, 678720), (35, 620544), (40, 542976), (42, 517120), (48, 452480), (56, 387840), (60, 361984), (64, 339360), (70, 310272), (80, 271488), (84, 258560), (96, 226240), (101, 215040), (105, 206848), (112, 193920), (120, 180992), (128, 169680), (140, 155136), (160, 135744), (168, 129280), (192, 113120), (202, 107520), (210, 103424), (224, 96960), (240, 90496), (256, 84840), (280, 77568), (303, 71680), (320, 67872), (336, 64640), (384, 56560), (404, 53760), (420, 51712), (448, 48480), (480, 45248), (505, 43008), (512, 42420), (560, 38784), (606, 35840), (640, 33936), (672, 32320), (707, 30720), (768, 28280), (808, 26880), (840, 25856), (896, 24240), (960, 22624), (1010, 21504), (1024, 21210), (1120, 19392), (1212, 17920), (1280, 16968), (1344, 16160), (1414, 15360), (1515, 14336), (1536, 14140), (1616, 13440), (1680, 12928), (1792, 12120), (1920, 11312), (2020, 10752), (2048, 10605), (2121, 10240), (2240, 9696), (2424, 8960), (2560, 8484), (2688, 8080), (2828, 7680), (3030, 7168), (3072, 7070), (3232, 6720), (3360, 6464), (3535, 6144), (3584, 6060), (3840, 5656), (4040, 5376), (4242, 5120), (4480, 4848)]