21170052

素因数分解:

$2^2\times 3^3\times {\mathrm{211}}^1\times {\mathrm{929}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 55204800

約数和(自身を除く): 34034748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 211, 422, 633, 844, 929, 1266, 1858, 1899, 2532, 2787, 3716, 3798, 5574, 5697, 7596, 8361, 11148, 11394, 16722, 22788, 25083, 33444, 50166, 100332, 196019, 392038, 588057, 784076, 1176114, 1764171, 2352228, 3528342, 5292513, 7056684, 10585026, 21170052]

約数ペア:

[(1, 21170052), (2, 10585026), (3, 7056684), (4, 5292513), (6, 3528342), (9, 2352228), (12, 1764171), (18, 1176114), (27, 784076), (36, 588057), (54, 392038), (108, 196019), (211, 100332), (422, 50166), (633, 33444), (844, 25083), (929, 22788), (1266, 16722), (1858, 11394), (1899, 11148), (2532, 8361), (2787, 7596), (3716, 5697), (3798, 5574)]