21000545277

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{236981}}^1$

素因数の和:237364

約数の個数: 16

約数和(自身を含む): 28362005760

約数和(自身を除く): 7361460483

約数列:

[1, 3, 109, 271, 327, 813, 29539, 88617, 236981, 710943, 25830929, 64221851, 77492787, 192665553, 7000181759, 21000545277]

約数ペア:

[(1, 21000545277), (3, 7000181759), (109, 192665553), (271, 77492787), (327, 64221851), (813, 25830929), (29539, 710943), (88617, 236981)]