21101696

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2141}}^1$

素因数の和:2173

約数の個数: 64

約数和(自身を含む): 52436160

約数和(自身を除く): 31334464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2141, 2464, 4282, 4928, 8564, 9856, 14987, 17128, 23551, 29974, 34256, 47102, 59948, 68512, 94204, 119896, 137024, 164857, 188408, 239792, 274048, 329714, 376816, 479584, 659428, 753632, 959168, 1318856, 1507264, 1918336, 2637712, 3014528, 5275424, 10550848, 21101696]

約数ペア:

[(1, 21101696), (2, 10550848), (4, 5275424), (7, 3014528), (8, 2637712), (11, 1918336), (14, 1507264), (16, 1318856), (22, 959168), (28, 753632), (32, 659428), (44, 479584), (56, 376816), (64, 329714), (77, 274048), (88, 239792), (112, 188408), (128, 164857), (154, 137024), (176, 119896), (224, 94204), (308, 68512), (352, 59948), (448, 47102), (616, 34256), (704, 29974), (896, 23551), (1232, 17128), (1408, 14987), (2141, 9856), (2464, 8564), (4282, 4928)]