21477984

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^2$

素因数の和:121

約数の個数: 108

約数和(自身を含む): 63445788

約数和(自身を除く): 41967804

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 43, 44, 48, 66, 86, 88, 96, 121, 129, 132, 172, 176, 242, 258, 264, 344, 352, 363, 473, 484, 516, 528, 688, 726, 946, 968, 1032, 1056, 1376, 1419, 1452, 1849, 1892, 1936, 2064, 2838, 2904, 3698, 3784, 3872, 4128, 5203, 5547, 5676, 5808, 7396, 7568, 10406, 11094, 11352, 11616, 14792, 15136, 15609, 20339, 20812, 22188, 22704, 29584, 31218, 40678, 41624, 44376, 45408, 59168, 61017, 62436, 81356, 83248, 88752, 122034, 124872, 162712, 166496, 177504, 223729, 244068, 249744, 325424, 447458, 488136, 499488, 650848, 671187, 894916, 976272, 1342374, 1789832, 1952544, 2684748, 3579664, 5369496, 7159328, 10738992, 21477984]

約数ペア:

[(1, 21477984), (2, 10738992), (3, 7159328), (4, 5369496), (6, 3579664), (8, 2684748), (11, 1952544), (12, 1789832), (16, 1342374), (22, 976272), (24, 894916), (32, 671187), (33, 650848), (43, 499488), (44, 488136), (48, 447458), (66, 325424), (86, 249744), (88, 244068), (96, 223729), (121, 177504), (129, 166496), (132, 162712), (172, 124872), (176, 122034), (242, 88752), (258, 83248), (264, 81356), (344, 62436), (352, 61017), (363, 59168), (473, 45408), (484, 44376), (516, 41624), (528, 40678), (688, 31218), (726, 29584), (946, 22704), (968, 22188), (1032, 20812), (1056, 20339), (1376, 15609), (1419, 15136), (1452, 14792), (1849, 11616), (1892, 11352), (1936, 11094), (2064, 10406), (2838, 7568), (2904, 7396), (3698, 5808), (3784, 5676), (3872, 5547), (4128, 5203)]