21001679776

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21799}}^1$

素因数の和:21867

約数の個数: 192

約数和(自身を含む): 56957644800

約数和(自身を除く): 35955965024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 23, 28, 32, 34, 44, 46, 56, 68, 77, 88, 92, 112, 119, 136, 154, 161, 176, 184, 187, 224, 238, 253, 272, 308, 322, 352, 368, 374, 391, 476, 506, 544, 616, 644, 736, 748, 782, 952, 1012, 1232, 1288, 1309, 1496, 1564, 1771, 1904, 2024, 2464, 2576, 2618, 2737, 2992, 3128, 3542, 3808, 4048, 4301, 5152, 5236, 5474, 5984, 6256, 7084, 8096, 8602, 10472, 10948, 12512, 14168, 17204, 20944, 21799, 21896, 28336, 30107, 34408, 41888, 43598, 43792, 56672, 60214, 68816, 87196, 87584, 120428, 137632, 152593, 174392, 239789, 240856, 305186, 348784, 370583, 479578, 481712, 501377, 610372, 697568, 741166, 959156, 963424, 1002754, 1220744, 1482332, 1678523, 1918312, 2005508, 2441488, 2594081, 2964664, 3357046, 3509639, 3836624, 4011016, 4076413, 4882976, 5188162, 5515147, 5929328, 6714092, 7019278, 7673248, 8022032, 8152826, 8523409, 10376324, 11030294, 11858656, 13428184, 14038556, 16044064, 16305652, 17046818, 20752648, 22060588, 26856368, 28077112, 28534891, 32611304, 34093636, 38606029, 41505296, 44121176, 53712736, 56154224, 57069782, 59663863, 65222608, 68187272, 77212058, 83010592, 88242352, 93757499, 112308448, 114139564, 119327726, 130445216, 136374544, 154424116, 176484704, 187514998, 228279128, 238655452, 272749088, 308848232, 375029996, 456558256, 477310904, 617696464, 656302493, 750059992, 913116512, 954621808, 1235392928, 1312604986, 1500119984, 1909243616, 2625209972, 3000239968, 5250419944, 10500839888, 21001679776]

約数ペア:

[(1, 21001679776), (2, 10500839888), (4, 5250419944), (7, 3000239968), (8, 2625209972), (11, 1909243616), (14, 1500119984), (16, 1312604986), (17, 1235392928), (22, 954621808), (23, 913116512), (28, 750059992), (32, 656302493), (34, 617696464), (44, 477310904), (46, 456558256), (56, 375029996), (68, 308848232), (77, 272749088), (88, 238655452), (92, 228279128), (112, 187514998), (119, 176484704), (136, 154424116), (154, 136374544), (161, 130445216), (176, 119327726), (184, 114139564), (187, 112308448), (224, 93757499), (238, 88242352), (253, 83010592), (272, 77212058), (308, 68187272), (322, 65222608), (352, 59663863), (368, 57069782), (374, 56154224), (391, 53712736), (476, 44121176), (506, 41505296), (544, 38606029), (616, 34093636), (644, 32611304), (736, 28534891), (748, 28077112), (782, 26856368), (952, 22060588), (1012, 20752648), (1232, 17046818), (1288, 16305652), (1309, 16044064), (1496, 14038556), (1564, 13428184), (1771, 11858656), (1904, 11030294), (2024, 10376324), (2464, 8523409), (2576, 8152826), (2618, 8022032), (2737, 7673248), (2992, 7019278), (3128, 6714092), (3542, 5929328), (3808, 5515147), (4048, 5188162), (4301, 4882976), (5152, 4076413), (5236, 4011016), (5474, 3836624), (5984, 3509639), (6256, 3357046), (7084, 2964664), (8096, 2594081), (8602, 2441488), (10472, 2005508), (10948, 1918312), (12512, 1678523), (14168, 1482332), (17204, 1220744), (20944, 1002754), (21799, 963424), (21896, 959156), (28336, 741166), (30107, 697568), (34408, 610372), (41888, 501377), (43598, 481712), (43792, 479578), (56672, 370583), (60214, 348784), (68816, 305186), (87196, 240856), (87584, 239789), (120428, 174392), (137632, 152593)]