21376973902

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1\times {\mathrm{250721}}^1$

素因数の和:251291

約数の個数: 16

約数和(自身を含む): 32493571200

約数和(自身を除く): 11116597298

約数列:

[1, 2, 89, 178, 479, 958, 42631, 85262, 250721, 501442, 22314169, 44628338, 120095359, 240190718, 10688486951, 21376973902]

約数ペア:

[(1, 21376973902), (2, 10688486951), (89, 240190718), (178, 120095359), (479, 44628338), (958, 22314169), (42631, 501442), (85262, 250721)]