21285612

素因数分解:

$2^2\times 3^3\times {\mathrm{197089}}^1$

素因数の和:197102

約数の個数: 24

約数和(自身を含む): 55185200

約数和(自身を除く): 33899588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197089, 394178, 591267, 788356, 1182534, 1773801, 2365068, 3547602, 5321403, 7095204, 10642806, 21285612]

約数ペア:

[(1, 21285612), (2, 10642806), (3, 7095204), (4, 5321403), (6, 3547602), (9, 2365068), (12, 1773801), (18, 1182534), (27, 788356), (36, 591267), (54, 394178), (108, 197089)]