21328935

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 14571993

約数列:

[1, 3, 5, 15, 23, 69, 115, 211, 293, 345, 633, 879, 1055, 1465, 3165, 4395, 4853, 6739, 14559, 20217, 24265, 33695, 61823, 72795, 101085, 185469, 309115, 927345, 1421929, 4265787, 7109645, 21328935]

約数ペア:

[(1, 21328935), (3, 7109645), (5, 4265787), (15, 1421929), (23, 927345), (69, 309115), (115, 185469), (211, 101085), (293, 72795), (345, 61823), (633, 33695), (879, 24265), (1055, 20217), (1465, 14559), (3165, 6739), (4395, 4853)]