21460384

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1549

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 25786592

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1487, 1804, 2974, 3608, 5948, 7216, 11896, 14432, 16357, 23792, 32714, 47584, 60967, 65428, 121934, 130856, 243868, 261712, 487736, 523424, 670637, 975472, 1341274, 1950944, 2682548, 5365096, 10730192, 21460384]

約数ペア:

[(1, 21460384), (2, 10730192), (4, 5365096), (8, 2682548), (11, 1950944), (16, 1341274), (22, 975472), (32, 670637), (41, 523424), (44, 487736), (82, 261712), (88, 243868), (164, 130856), (176, 121934), (328, 65428), (352, 60967), (451, 47584), (656, 32714), (902, 23792), (1312, 16357), (1487, 14432), (1804, 11896), (2974, 7216), (3608, 5948)]