21184611

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{683}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 33061824

約数和(自身を除く): 11877213

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 683, 1477, 2049, 4431, 4781, 10339, 14343, 31017, 33467, 100401, 144113, 432339, 1008791, 3026373, 7061537, 21184611]

約数ペア:

[(1, 21184611), (3, 7061537), (7, 3026373), (21, 1008791), (49, 432339), (147, 144113), (211, 100401), (633, 33467), (683, 31017), (1477, 14343), (2049, 10339), (4431, 4781)]