21167994870

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87991}}^1$

素因数の和:88030

約数の個数: 128

約数和(自身を含む): 62340572160

約数和(自身を除く): 41172577290

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 243, 270, 297, 330, 405, 486, 495, 594, 729, 810, 891, 990, 1215, 1458, 1485, 1782, 2187, 2430, 2673, 2970, 3645, 4374, 4455, 5346, 7290, 8019, 8910, 10935, 13365, 16038, 21870, 24057, 26730, 40095, 48114, 80190, 87991, 120285, 175982, 240570, 263973, 439955, 527946, 791919, 879910, 967901, 1319865, 1583838, 1935802, 2375757, 2639730, 2903703, 3959595, 4751514, 4839505, 5807406, 7127271, 7919190, 8711109, 9679010, 11878785, 14254542, 14518515, 17422218, 21381813, 23757570, 26133327, 29037030, 35636355, 42763626, 43555545, 52266654, 64145439, 71272710, 78399981, 87111090, 106909065, 128290878, 130666635, 156799962, 192436317, 213818130, 235199943, 261333270, 320727195, 384872634, 391999905, 470399886, 641454390, 705599829, 783999810, 962181585, 1175999715, 1411199658, 1924363170, 2116799487, 2351999430, 3527999145, 4233598974, 7055998290, 10583997435, 21167994870]

約数ペア:

[(1, 21167994870), (2, 10583997435), (3, 7055998290), (5, 4233598974), (6, 3527999145), (9, 2351999430), (10, 2116799487), (11, 1924363170), (15, 1411199658), (18, 1175999715), (22, 962181585), (27, 783999810), (30, 705599829), (33, 641454390), (45, 470399886), (54, 391999905), (55, 384872634), (66, 320727195), (81, 261333270), (90, 235199943), (99, 213818130), (110, 192436317), (135, 156799962), (162, 130666635), (165, 128290878), (198, 106909065), (243, 87111090), (270, 78399981), (297, 71272710), (330, 64145439), (405, 52266654), (486, 43555545), (495, 42763626), (594, 35636355), (729, 29037030), (810, 26133327), (891, 23757570), (990, 21381813), (1215, 17422218), (1458, 14518515), (1485, 14254542), (1782, 11878785), (2187, 9679010), (2430, 8711109), (2673, 7919190), (2970, 7127271), (3645, 5807406), (4374, 4839505), (4455, 4751514), (5346, 3959595), (7290, 2903703), (8019, 2639730), (8910, 2375757), (10935, 1935802), (13365, 1583838), (16038, 1319865), (21870, 967901), (24057, 879910), (26730, 791919), (40095, 527946), (48114, 439955), (80190, 263973), (87991, 240570), (120285, 175982)]