21951801

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 32768736

約数和(自身を除く): 10816935

約数列:

[1, 3, 9, 43, 129, 131, 387, 393, 433, 1179, 1299, 3897, 5633, 16899, 18619, 50697, 55857, 56723, 167571, 170169, 510507, 2439089, 7317267, 21951801]

約数ペア:

[(1, 21951801), (3, 7317267), (9, 2439089), (43, 510507), (129, 170169), (131, 167571), (387, 56723), (393, 55857), (433, 50697), (1179, 18619), (1299, 16899), (3897, 5633)]