21477618

素因数分解:

$2^1\times 3^2\times {\mathrm{683}}^1\times {\mathrm{1747}}^1$

素因数の和:2438

約数の個数: 24

約数和(自身を含む): 46629648

約数和(自身を除く): 25152030

約数列:

[1, 2, 3, 6, 9, 18, 683, 1366, 1747, 2049, 3494, 4098, 5241, 6147, 10482, 12294, 15723, 31446, 1193201, 2386402, 3579603, 7159206, 10738809, 21477618]

約数ペア:

[(1, 21477618), (2, 10738809), (3, 7159206), (6, 3579603), (9, 2386402), (18, 1193201), (683, 31446), (1366, 15723), (1747, 12294), (2049, 10482), (3494, 6147), (4098, 5241)]