21700029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 32034016

約数和(自身を除く): 10333987

約数列:

[1, 3, 13, 39, 41, 123, 331, 533, 993, 1599, 1681, 4303, 5043, 12909, 13571, 21853, 40713, 65559, 176423, 529269, 556411, 1669233, 7233343, 21700029]

約数ペア:

[(1, 21700029), (3, 7233343), (13, 1669233), (39, 556411), (41, 529269), (123, 176423), (331, 65559), (533, 40713), (993, 21853), (1599, 13571), (1681, 12909), (4303, 5043)]