21201490

素因数分解:

$2^1\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{1823}}^1$

素因数の和:2993

約数の個数: 16

約数和(自身を含む): 38216448

約数和(自身を除く): 17014958

約数列:

[1, 2, 5, 10, 1163, 1823, 2326, 3646, 5815, 9115, 11630, 18230, 2120149, 4240298, 10600745, 21201490]

約数ペア:

[(1, 21201490), (2, 10600745), (5, 4240298), (10, 2120149), (1163, 18230), (1823, 11630), (2326, 9115), (3646, 5815)]