21753512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1381}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 44776800

約数和(自身を除く): 23023288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 179, 358, 716, 1381, 1432, 1969, 2762, 3938, 5524, 7876, 11048, 15191, 15752, 30382, 60764, 121528, 247199, 494398, 988796, 1977592, 2719189, 5438378, 10876756, 21753512]

約数ペア:

[(1, 21753512), (2, 10876756), (4, 5438378), (8, 2719189), (11, 1977592), (22, 988796), (44, 494398), (88, 247199), (179, 121528), (358, 60764), (716, 30382), (1381, 15752), (1432, 15191), (1969, 11048), (2762, 7876), (3938, 5524)]