21423376480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1$

素因数の和:1473

約数の個数: 192

約数和(自身を含む): 57310908480

約数和(自身を除く): 35887532000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 145, 160, 176, 220, 232, 290, 319, 352, 421, 440, 464, 580, 638, 842, 880, 928, 997, 1160, 1276, 1595, 1684, 1760, 1994, 2105, 2320, 2552, 3190, 3368, 3988, 4210, 4631, 4640, 4985, 5104, 6380, 6736, 7976, 8420, 9262, 9970, 10208, 10967, 12209, 12760, 13472, 15952, 16840, 18524, 19940, 21934, 23155, 24418, 25520, 28913, 31904, 33680, 37048, 39880, 43868, 46310, 48836, 51040, 54835, 57826, 61045, 67360, 74096, 79760, 87736, 92620, 97672, 109670, 115652, 122090, 134299, 144565, 148192, 159520, 175472, 185240, 195344, 219340, 231304, 244180, 268598, 289130, 318043, 350944, 370480, 390688, 419737, 438680, 462608, 488360, 537196, 578260, 636086, 671495, 740960, 839474, 877360, 925216, 976720, 1074392, 1156520, 1272172, 1342990, 1590215, 1678948, 1754720, 1953440, 2098685, 2148784, 2313040, 2544344, 2685980, 3180430, 3357896, 4197370, 4297568, 4617107, 4626080, 5088688, 5371960, 6360860, 6715792, 8394740, 9234214, 10177376, 10743920, 12172373, 12721720, 13431584, 16789480, 18468428, 21487840, 23085535, 24344746, 25443440, 33578960, 36936856, 46171070, 48689492, 50886880, 60861865, 67157920, 73873712, 92342140, 97378984, 121723730, 133896103, 147747424, 184684280, 194757968, 243447460, 267792206, 369368560, 389515936, 486894920, 535584412, 669480515, 738737120, 973789840, 1071168824, 1338961030, 1947579680, 2142337648, 2677922060, 4284675296, 5355844120, 10711688240, 21423376480]

約数ペア:

[(1, 21423376480), (2, 10711688240), (4, 5355844120), (5, 4284675296), (8, 2677922060), (10, 2142337648), (11, 1947579680), (16, 1338961030), (20, 1071168824), (22, 973789840), (29, 738737120), (32, 669480515), (40, 535584412), (44, 486894920), (55, 389515936), (58, 369368560), (80, 267792206), (88, 243447460), (110, 194757968), (116, 184684280), (145, 147747424), (160, 133896103), (176, 121723730), (220, 97378984), (232, 92342140), (290, 73873712), (319, 67157920), (352, 60861865), (421, 50886880), (440, 48689492), (464, 46171070), (580, 36936856), (638, 33578960), (842, 25443440), (880, 24344746), (928, 23085535), (997, 21487840), (1160, 18468428), (1276, 16789480), (1595, 13431584), (1684, 12721720), (1760, 12172373), (1994, 10743920), (2105, 10177376), (2320, 9234214), (2552, 8394740), (3190, 6715792), (3368, 6360860), (3988, 5371960), (4210, 5088688), (4631, 4626080), (4640, 4617107), (4985, 4297568), (5104, 4197370), (6380, 3357896), (6736, 3180430), (7976, 2685980), (8420, 2544344), (9262, 2313040), (9970, 2148784), (10208, 2098685), (10967, 1953440), (12209, 1754720), (12760, 1678948), (13472, 1590215), (15952, 1342990), (16840, 1272172), (18524, 1156520), (19940, 1074392), (21934, 976720), (23155, 925216), (24418, 877360), (25520, 839474), (28913, 740960), (31904, 671495), (33680, 636086), (37048, 578260), (39880, 537196), (43868, 488360), (46310, 462608), (48836, 438680), (51040, 419737), (54835, 390688), (57826, 370480), (61045, 350944), (67360, 318043), (74096, 289130), (79760, 268598), (87736, 244180), (92620, 231304), (97672, 219340), (109670, 195344), (115652, 185240), (122090, 175472), (134299, 159520), (144565, 148192)]