21217272120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{16187}}^1$

素因数の和:16546

約数の個数: 192

約数和(自身を含む): 75456800640

約数和(自身を除く): 54239528520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 331, 360, 396, 440, 495, 660, 662, 792, 990, 993, 1320, 1324, 1655, 1980, 1986, 2648, 2979, 3310, 3641, 3960, 3972, 4965, 5958, 6620, 7282, 7944, 9930, 10923, 11916, 13240, 14564, 14895, 16187, 18205, 19860, 21846, 23832, 29128, 29790, 32374, 32769, 36410, 39720, 43692, 48561, 54615, 59580, 64748, 65538, 72820, 80935, 87384, 97122, 109230, 119160, 129496, 131076, 145640, 145683, 161870, 163845, 178057, 194244, 218460, 242805, 262152, 291366, 323740, 327690, 356114, 388488, 436920, 485610, 534171, 582732, 647480, 655380, 712228, 728415, 890285, 971220, 1068342, 1165464, 1310760, 1424456, 1456830, 1602513, 1780570, 1942440, 2136684, 2670855, 2913660, 3205026, 3561140, 4273368, 5341710, 5357897, 5827320, 6410052, 7122280, 8012565, 10683420, 10715794, 12820104, 16025130, 16073691, 21366840, 21431588, 26789485, 32050260, 32147382, 42863176, 48221073, 53578970, 58936867, 64100520, 64294764, 80368455, 96442146, 107157940, 117873734, 128589528, 160736910, 176810601, 192884292, 214315880, 235747468, 241105365, 294684335, 321473820, 353621202, 385768584, 471494936, 482210730, 530431803, 589368670, 642947640, 707242404, 884053005, 964421460, 1060863606, 1178737340, 1414484808, 1768106010, 1928842920, 2121727212, 2357474680, 2652159015, 3536212020, 4243454424, 5304318030, 7072424040, 10608636060, 21217272120]

約数ペア:

[(1, 21217272120), (2, 10608636060), (3, 7072424040), (4, 5304318030), (5, 4243454424), (6, 3536212020), (8, 2652159015), (9, 2357474680), (10, 2121727212), (11, 1928842920), (12, 1768106010), (15, 1414484808), (18, 1178737340), (20, 1060863606), (22, 964421460), (24, 884053005), (30, 707242404), (33, 642947640), (36, 589368670), (40, 530431803), (44, 482210730), (45, 471494936), (55, 385768584), (60, 353621202), (66, 321473820), (72, 294684335), (88, 241105365), (90, 235747468), (99, 214315880), (110, 192884292), (120, 176810601), (132, 160736910), (165, 128589528), (180, 117873734), (198, 107157940), (220, 96442146), (264, 80368455), (330, 64294764), (331, 64100520), (360, 58936867), (396, 53578970), (440, 48221073), (495, 42863176), (660, 32147382), (662, 32050260), (792, 26789485), (990, 21431588), (993, 21366840), (1320, 16073691), (1324, 16025130), (1655, 12820104), (1980, 10715794), (1986, 10683420), (2648, 8012565), (2979, 7122280), (3310, 6410052), (3641, 5827320), (3960, 5357897), (3972, 5341710), (4965, 4273368), (5958, 3561140), (6620, 3205026), (7282, 2913660), (7944, 2670855), (9930, 2136684), (10923, 1942440), (11916, 1780570), (13240, 1602513), (14564, 1456830), (14895, 1424456), (16187, 1310760), (18205, 1165464), (19860, 1068342), (21846, 971220), (23832, 890285), (29128, 728415), (29790, 712228), (32374, 655380), (32769, 647480), (36410, 582732), (39720, 534171), (43692, 485610), (48561, 436920), (54615, 388488), (59580, 356114), (64748, 327690), (65538, 323740), (72820, 291366), (80935, 262152), (87384, 242805), (97122, 218460), (109230, 194244), (119160, 178057), (129496, 163845), (131076, 161870), (145640, 145683)]