21004770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14897}}^1$

素因数の和:14954

約数の個数: 32

約数和(自身を含む): 51487488

約数和(自身を除く): 30482718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14897, 29794, 44691, 74485, 89382, 148970, 223455, 446910, 700159, 1400318, 2100477, 3500795, 4200954, 7001590, 10502385, 21004770]

約数ペア:

[(1, 21004770), (2, 10502385), (3, 7001590), (5, 4200954), (6, 3500795), (10, 2100477), (15, 1400318), (30, 700159), (47, 446910), (94, 223455), (141, 148970), (235, 89382), (282, 74485), (470, 44691), (705, 29794), (1410, 14897)]