21305042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50969}}^1$

素因数の和:51001

約数の個数: 16

約数和(自身を含む): 36698400

約数和(自身を除く): 15393358

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50969, 101938, 560659, 968411, 1121318, 1936822, 10652521, 21305042]

約数ペア:

[(1, 21305042), (2, 10652521), (11, 1936822), (19, 1121318), (22, 968411), (38, 560659), (209, 101938), (418, 50969)]