21155776

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5419}}^1$

素因数の和:5492

約数の個数: 28

約数和(自身を含む): 42677080

約数和(自身を除く): 21521304

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5419, 10838, 21676, 43352, 86704, 173408, 330559, 346816, 661118, 1322236, 2644472, 5288944, 10577888, 21155776]

約数ペア:

[(1, 21155776), (2, 10577888), (4, 5288944), (8, 2644472), (16, 1322236), (32, 661118), (61, 346816), (64, 330559), (122, 173408), (244, 86704), (488, 43352), (976, 21676), (1952, 10838), (3904, 5419)]