21055616

素因数分解:

$2^7\times {\mathrm{271}}^1\times {\mathrm{607}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 42170880

約数和(自身を除く): 21115264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 271, 542, 607, 1084, 1214, 2168, 2428, 4336, 4856, 8672, 9712, 17344, 19424, 34688, 38848, 77696, 164497, 328994, 657988, 1315976, 2631952, 5263904, 10527808, 21055616]

約数ペア:

[(1, 21055616), (2, 10527808), (4, 5263904), (8, 2631952), (16, 1315976), (32, 657988), (64, 328994), (128, 164497), (271, 77696), (542, 38848), (607, 34688), (1084, 19424), (1214, 17344), (2168, 9712), (2428, 8672), (4336, 4856)]