21400599

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2393}}^1$

素因数の和:2678

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 9855465

約数列:

[1, 3, 11, 33, 271, 813, 2393, 2981, 7179, 8943, 26323, 78969, 648503, 1945509, 7133533, 21400599]

約数ペア:

[(1, 21400599), (3, 7133533), (11, 1945509), (33, 648503), (271, 78969), (813, 26323), (2393, 8943), (2981, 7179)]