21490419744

素因数分解:

$2^5\times 3^4\times {\mathrm{313}}^1\times {\mathrm{26489}}^1$

素因数の和:26824

約数の個数: 120

約数和(自身を含む): 63407046780

約数和(自身を除く): 41916627036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 313, 324, 432, 626, 648, 864, 939, 1252, 1296, 1878, 2504, 2592, 2817, 3756, 5008, 5634, 7512, 8451, 10016, 11268, 15024, 16902, 22536, 25353, 26489, 30048, 33804, 45072, 50706, 52978, 67608, 79467, 90144, 101412, 105956, 135216, 158934, 202824, 211912, 238401, 270432, 317868, 405648, 423824, 476802, 635736, 715203, 811296, 847648, 953604, 1271472, 1430406, 1907208, 2145609, 2542944, 2860812, 3814416, 4291218, 5721624, 7628832, 8291057, 8582436, 11443248, 16582114, 17164872, 22886496, 24873171, 33164228, 34329744, 49746342, 66328456, 68659488, 74619513, 99492684, 132656912, 149239026, 198985368, 223858539, 265313824, 298478052, 397970736, 447717078, 596956104, 671575617, 795941472, 895434156, 1193912208, 1343151234, 1790868312, 2387824416, 2686302468, 3581736624, 5372604936, 7163473248, 10745209872, 21490419744]

約数ペア:

[(1, 21490419744), (2, 10745209872), (3, 7163473248), (4, 5372604936), (6, 3581736624), (8, 2686302468), (9, 2387824416), (12, 1790868312), (16, 1343151234), (18, 1193912208), (24, 895434156), (27, 795941472), (32, 671575617), (36, 596956104), (48, 447717078), (54, 397970736), (72, 298478052), (81, 265313824), (96, 223858539), (108, 198985368), (144, 149239026), (162, 132656912), (216, 99492684), (288, 74619513), (313, 68659488), (324, 66328456), (432, 49746342), (626, 34329744), (648, 33164228), (864, 24873171), (939, 22886496), (1252, 17164872), (1296, 16582114), (1878, 11443248), (2504, 8582436), (2592, 8291057), (2817, 7628832), (3756, 5721624), (5008, 4291218), (5634, 3814416), (7512, 2860812), (8451, 2542944), (10016, 2145609), (11268, 1907208), (15024, 1430406), (16902, 1271472), (22536, 953604), (25353, 847648), (26489, 811296), (30048, 715203), (33804, 635736), (45072, 476802), (50706, 423824), (52978, 405648), (67608, 317868), (79467, 270432), (90144, 238401), (101412, 211912), (105956, 202824), (135216, 158934)]