21981500064

素因数分解:

$2^5\times 3^5\times {\mathrm{19}}^1\times {\mathrm{148781}}^1$

素因数の和:148825

約数の個数: 144

約数和(自身を含む): 68237376480

約数和(自身を除く): 46255876416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 243, 288, 304, 324, 342, 432, 456, 486, 513, 608, 648, 684, 864, 912, 972, 1026, 1296, 1368, 1539, 1824, 1944, 2052, 2592, 2736, 3078, 3888, 4104, 4617, 5472, 6156, 7776, 8208, 9234, 12312, 16416, 18468, 24624, 36936, 49248, 73872, 147744, 148781, 297562, 446343, 595124, 892686, 1190248, 1339029, 1785372, 2380496, 2678058, 2826839, 3570744, 4017087, 4760992, 5356116, 5653678, 7141488, 8034174, 8480517, 10712232, 11307356, 12051261, 14282976, 16068348, 16961034, 21424464, 22614712, 24102522, 25441551, 32136696, 33922068, 36153783, 42848928, 45229424, 48205044, 50883102, 64273392, 67844136, 72307566, 76324653, 90458848, 96410088, 101766204, 128546784, 135688272, 144615132, 152649306, 192820176, 203532408, 228973959, 271376544, 289230264, 305298612, 385640352, 407064816, 457947918, 578460528, 610597224, 686921877, 814129632, 915895836, 1156921056, 1221194448, 1373843754, 1831791672, 2442388896, 2747687508, 3663583344, 5495375016, 7327166688, 10990750032, 21981500064]

約数ペア:

[(1, 21981500064), (2, 10990750032), (3, 7327166688), (4, 5495375016), (6, 3663583344), (8, 2747687508), (9, 2442388896), (12, 1831791672), (16, 1373843754), (18, 1221194448), (19, 1156921056), (24, 915895836), (27, 814129632), (32, 686921877), (36, 610597224), (38, 578460528), (48, 457947918), (54, 407064816), (57, 385640352), (72, 305298612), (76, 289230264), (81, 271376544), (96, 228973959), (108, 203532408), (114, 192820176), (144, 152649306), (152, 144615132), (162, 135688272), (171, 128546784), (216, 101766204), (228, 96410088), (243, 90458848), (288, 76324653), (304, 72307566), (324, 67844136), (342, 64273392), (432, 50883102), (456, 48205044), (486, 45229424), (513, 42848928), (608, 36153783), (648, 33922068), (684, 32136696), (864, 25441551), (912, 24102522), (972, 22614712), (1026, 21424464), (1296, 16961034), (1368, 16068348), (1539, 14282976), (1824, 12051261), (1944, 11307356), (2052, 10712232), (2592, 8480517), (2736, 8034174), (3078, 7141488), (3888, 5653678), (4104, 5356116), (4617, 4760992), (5472, 4017087), (6156, 3570744), (7776, 2826839), (8208, 2678058), (9234, 2380496), (12312, 1785372), (16416, 1339029), (18468, 1190248), (24624, 892686), (36936, 595124), (49248, 446343), (73872, 297562), (147744, 148781)]