20212821090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{27259}}^1$

素因数の和:27397

約数の個数: 192

約数和(自身を含む): 66135813120

約数和(自身を除く): 45922992030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 107, 110, 126, 154, 165, 198, 210, 214, 231, 315, 321, 330, 385, 462, 495, 535, 630, 642, 693, 749, 770, 963, 990, 1070, 1155, 1177, 1386, 1498, 1605, 1926, 2247, 2310, 2354, 3210, 3465, 3531, 3745, 4494, 4815, 5885, 6741, 6930, 7062, 7490, 8239, 9630, 10593, 11235, 11770, 13482, 16478, 17655, 21186, 22470, 24717, 27259, 33705, 35310, 41195, 49434, 52965, 54518, 67410, 74151, 81777, 82390, 105930, 123585, 136295, 148302, 163554, 190813, 245331, 247170, 272590, 299849, 370755, 381626, 408885, 490662, 572439, 599698, 741510, 817770, 899547, 954065, 1144878, 1226655, 1499245, 1717317, 1799094, 1908130, 2098943, 2453310, 2698641, 2862195, 2916713, 2998490, 3434634, 4197886, 4497735, 5397282, 5724390, 5833426, 6296829, 8586585, 8750139, 8995470, 10494715, 12593658, 13493205, 14583565, 17173170, 17500278, 18890487, 20416991, 20989430, 26250417, 26986410, 29167130, 31484145, 32083843, 37780974, 40833982, 43750695, 52500834, 61250973, 62968290, 64167686, 87501390, 94452435, 96251529, 102084955, 122501946, 131252085, 160419215, 183752919, 188904870, 192503058, 204169910, 224586901, 262504170, 288754587, 306254865, 320838430, 367505838, 449173802, 481257645, 577509174, 612509730, 673760703, 918764595, 962515290, 1122934505, 1347521406, 1443772935, 1837529190, 2021282109, 2245869010, 2887545870, 3368803515, 4042564218, 6737607030, 10106410545, 20212821090]

約数ペア:

[(1, 20212821090), (2, 10106410545), (3, 6737607030), (5, 4042564218), (6, 3368803515), (7, 2887545870), (9, 2245869010), (10, 2021282109), (11, 1837529190), (14, 1443772935), (15, 1347521406), (18, 1122934505), (21, 962515290), (22, 918764595), (30, 673760703), (33, 612509730), (35, 577509174), (42, 481257645), (45, 449173802), (55, 367505838), (63, 320838430), (66, 306254865), (70, 288754587), (77, 262504170), (90, 224586901), (99, 204169910), (105, 192503058), (107, 188904870), (110, 183752919), (126, 160419215), (154, 131252085), (165, 122501946), (198, 102084955), (210, 96251529), (214, 94452435), (231, 87501390), (315, 64167686), (321, 62968290), (330, 61250973), (385, 52500834), (462, 43750695), (495, 40833982), (535, 37780974), (630, 32083843), (642, 31484145), (693, 29167130), (749, 26986410), (770, 26250417), (963, 20989430), (990, 20416991), (1070, 18890487), (1155, 17500278), (1177, 17173170), (1386, 14583565), (1498, 13493205), (1605, 12593658), (1926, 10494715), (2247, 8995470), (2310, 8750139), (2354, 8586585), (3210, 6296829), (3465, 5833426), (3531, 5724390), (3745, 5397282), (4494, 4497735), (4815, 4197886), (5885, 3434634), (6741, 2998490), (6930, 2916713), (7062, 2862195), (7490, 2698641), (8239, 2453310), (9630, 2098943), (10593, 1908130), (11235, 1799094), (11770, 1717317), (13482, 1499245), (16478, 1226655), (17655, 1144878), (21186, 954065), (22470, 899547), (24717, 817770), (27259, 741510), (33705, 599698), (35310, 572439), (41195, 490662), (49434, 408885), (52965, 381626), (54518, 370755), (67410, 299849), (74151, 272590), (81777, 247170), (82390, 245331), (105930, 190813), (123585, 163554), (136295, 148302)]