21059559840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{128663}}^1$

素因数の和:128723

約数の個数: 192

約数和(自身を含む): 74703347712

約数和(自身を除く): 53643787872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 744, 880, 930, 992, 1023, 1056, 1240, 1320, 1364, 1488, 1705, 1760, 1860, 2046, 2480, 2640, 2728, 2976, 3410, 3720, 4092, 4960, 5115, 5280, 5456, 6820, 7440, 8184, 10230, 10912, 13640, 14880, 16368, 20460, 27280, 32736, 40920, 54560, 81840, 128663, 163680, 257326, 385989, 514652, 643315, 771978, 1029304, 1286630, 1415293, 1543956, 1929945, 2058608, 2573260, 2830586, 3087912, 3859890, 3988553, 4117216, 4245879, 5146520, 5661172, 6175824, 7076465, 7719780, 7977106, 8491758, 10293040, 11322344, 11965659, 12351648, 14152930, 15439560, 15954212, 16983516, 19942765, 20586080, 21229395, 22644688, 23931318, 28305860, 30879120, 31908424, 33967032, 39885530, 42458790, 43874083, 45289376, 47862636, 56611720, 59828295, 61758240, 63816848, 67934064, 79771060, 84917580, 87748166, 95725272, 113223440, 119656590, 127633696, 131622249, 135868128, 159542120, 169835160, 175496332, 191450544, 219370415, 226446880, 239313180, 263244498, 319084240, 339670320, 350992664, 382901088, 438740830, 478626360, 526488996, 638168480, 658111245, 679340640, 701985328, 877481660, 957252720, 1052977992, 1316222490, 1403970656, 1754963320, 1914505440, 2105955984, 2632444980, 3509926640, 4211911968, 5264889960, 7019853280, 10529779920, 21059559840]

約数ペア:

[(1, 21059559840), (2, 10529779920), (3, 7019853280), (4, 5264889960), (5, 4211911968), (6, 3509926640), (8, 2632444980), (10, 2105955984), (11, 1914505440), (12, 1754963320), (15, 1403970656), (16, 1316222490), (20, 1052977992), (22, 957252720), (24, 877481660), (30, 701985328), (31, 679340640), (32, 658111245), (33, 638168480), (40, 526488996), (44, 478626360), (48, 438740830), (55, 382901088), (60, 350992664), (62, 339670320), (66, 319084240), (80, 263244498), (88, 239313180), (93, 226446880), (96, 219370415), (110, 191450544), (120, 175496332), (124, 169835160), (132, 159542120), (155, 135868128), (160, 131622249), (165, 127633696), (176, 119656590), (186, 113223440), (220, 95725272), (240, 87748166), (248, 84917580), (264, 79771060), (310, 67934064), (330, 63816848), (341, 61758240), (352, 59828295), (372, 56611720), (440, 47862636), (465, 45289376), (480, 43874083), (496, 42458790), (528, 39885530), (620, 33967032), (660, 31908424), (682, 30879120), (744, 28305860), (880, 23931318), (930, 22644688), (992, 21229395), (1023, 20586080), (1056, 19942765), (1240, 16983516), (1320, 15954212), (1364, 15439560), (1488, 14152930), (1705, 12351648), (1760, 11965659), (1860, 11322344), (2046, 10293040), (2480, 8491758), (2640, 7977106), (2728, 7719780), (2976, 7076465), (3410, 6175824), (3720, 5661172), (4092, 5146520), (4960, 4245879), (5115, 4117216), (5280, 3988553), (5456, 3859890), (6820, 3087912), (7440, 2830586), (8184, 2573260), (10230, 2058608), (10912, 1929945), (13640, 1543956), (14880, 1415293), (16368, 1286630), (20460, 1029304), (27280, 771978), (32736, 643315), (40920, 514652), (54560, 385989), (81840, 257326), (128663, 163680)]