21857728

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 46817280

約数和(自身を除く): 24959552

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 184, 248, 368, 479, 496, 713, 736, 958, 992, 1426, 1472, 1916, 1984, 2852, 3832, 5704, 7664, 11017, 11408, 14849, 15328, 22034, 22816, 29698, 30656, 44068, 45632, 59396, 88136, 118792, 176272, 237584, 341527, 352544, 475168, 683054, 705088, 950336, 1366108, 2732216, 5464432, 10928864, 21857728]

約数ペア:

[(1, 21857728), (2, 10928864), (4, 5464432), (8, 2732216), (16, 1366108), (23, 950336), (31, 705088), (32, 683054), (46, 475168), (62, 352544), (64, 341527), (92, 237584), (124, 176272), (184, 118792), (248, 88136), (368, 59396), (479, 45632), (496, 44068), (713, 30656), (736, 29698), (958, 22816), (992, 22034), (1426, 15328), (1472, 14849), (1916, 11408), (1984, 11017), (2852, 7664), (3832, 5704)]