21096446720

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{13217}}^1$

素因数の和:13310

約数の個数: 144

約数和(自身を含む): 53494832160

約数和(自身を除く): 32398385440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 128, 145, 160, 172, 215, 232, 256, 290, 320, 344, 430, 464, 580, 640, 688, 860, 928, 1160, 1247, 1280, 1376, 1720, 1856, 2320, 2494, 2752, 3440, 3712, 4640, 4988, 5504, 6235, 6880, 7424, 9280, 9976, 11008, 12470, 13217, 13760, 18560, 19952, 24940, 26434, 27520, 37120, 39904, 49880, 52868, 55040, 66085, 79808, 99760, 105736, 132170, 159616, 199520, 211472, 264340, 319232, 383293, 399040, 422944, 528680, 568331, 766586, 798080, 845888, 1057360, 1136662, 1533172, 1596160, 1691776, 1916465, 2114720, 2273324, 2841655, 3066344, 3383552, 3832930, 4229440, 4546648, 5683310, 6132688, 7665860, 8458880, 9093296, 11366620, 12265376, 15331720, 16481599, 16917760, 18186592, 22733240, 24530752, 30663440, 32963198, 36373184, 45466480, 49061504, 61326880, 65926396, 72746368, 82407995, 90932960, 98123008, 122653760, 131852792, 145492736, 164815990, 181865920, 245307520, 263705584, 329631980, 363731840, 490615040, 527411168, 659263960, 727463680, 1054822336, 1318527920, 2109644672, 2637055840, 4219289344, 5274111680, 10548223360, 21096446720]

約数ペア:

[(1, 21096446720), (2, 10548223360), (4, 5274111680), (5, 4219289344), (8, 2637055840), (10, 2109644672), (16, 1318527920), (20, 1054822336), (29, 727463680), (32, 659263960), (40, 527411168), (43, 490615040), (58, 363731840), (64, 329631980), (80, 263705584), (86, 245307520), (116, 181865920), (128, 164815990), (145, 145492736), (160, 131852792), (172, 122653760), (215, 98123008), (232, 90932960), (256, 82407995), (290, 72746368), (320, 65926396), (344, 61326880), (430, 49061504), (464, 45466480), (580, 36373184), (640, 32963198), (688, 30663440), (860, 24530752), (928, 22733240), (1160, 18186592), (1247, 16917760), (1280, 16481599), (1376, 15331720), (1720, 12265376), (1856, 11366620), (2320, 9093296), (2494, 8458880), (2752, 7665860), (3440, 6132688), (3712, 5683310), (4640, 4546648), (4988, 4229440), (5504, 3832930), (6235, 3383552), (6880, 3066344), (7424, 2841655), (9280, 2273324), (9976, 2114720), (11008, 1916465), (12470, 1691776), (13217, 1596160), (13760, 1533172), (18560, 1136662), (19952, 1057360), (24940, 845888), (26434, 798080), (27520, 766586), (37120, 568331), (39904, 528680), (49880, 422944), (52868, 399040), (55040, 383293), (66085, 319232), (79808, 264340), (99760, 211472), (105736, 199520), (132170, 159616)]