21496752

素因数分解:

$2^4\times 3^6\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 140

約数和(自身を含む): 66410680

約数和(自身を除く): 44913928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 97, 108, 114, 144, 152, 162, 171, 194, 216, 228, 243, 291, 304, 324, 342, 388, 432, 456, 486, 513, 582, 648, 684, 729, 776, 873, 912, 972, 1026, 1164, 1296, 1368, 1458, 1539, 1552, 1746, 1843, 1944, 2052, 2328, 2619, 2736, 2916, 3078, 3492, 3686, 3888, 4104, 4617, 4656, 5238, 5529, 5832, 6156, 6984, 7372, 7857, 8208, 9234, 10476, 11058, 11664, 12312, 13851, 13968, 14744, 15714, 16587, 18468, 20952, 22116, 23571, 24624, 27702, 29488, 31428, 33174, 36936, 41904, 44232, 47142, 49761, 55404, 62856, 66348, 70713, 73872, 88464, 94284, 99522, 110808, 125712, 132696, 141426, 149283, 188568, 199044, 221616, 265392, 282852, 298566, 377136, 398088, 447849, 565704, 597132, 796176, 895698, 1131408, 1194264, 1343547, 1791396, 2388528, 2687094, 3582792, 5374188, 7165584, 10748376, 21496752]

約数ペア:

[(1, 21496752), (2, 10748376), (3, 7165584), (4, 5374188), (6, 3582792), (8, 2687094), (9, 2388528), (12, 1791396), (16, 1343547), (18, 1194264), (19, 1131408), (24, 895698), (27, 796176), (36, 597132), (38, 565704), (48, 447849), (54, 398088), (57, 377136), (72, 298566), (76, 282852), (81, 265392), (97, 221616), (108, 199044), (114, 188568), (144, 149283), (152, 141426), (162, 132696), (171, 125712), (194, 110808), (216, 99522), (228, 94284), (243, 88464), (291, 73872), (304, 70713), (324, 66348), (342, 62856), (388, 55404), (432, 49761), (456, 47142), (486, 44232), (513, 41904), (582, 36936), (648, 33174), (684, 31428), (729, 29488), (776, 27702), (873, 24624), (912, 23571), (972, 22116), (1026, 20952), (1164, 18468), (1296, 16587), (1368, 15714), (1458, 14744), (1539, 13968), (1552, 13851), (1746, 12312), (1843, 11664), (1944, 11058), (2052, 10476), (2328, 9234), (2619, 8208), (2736, 7857), (2916, 7372), (3078, 6984), (3492, 6156), (3686, 5832), (3888, 5529), (4104, 5238), (4617, 4656)]