21016048

素因数分解:

$2^4\times {\mathrm{787}}^1\times {\mathrm{1669}}^1$

素因数の和:2464

約数の個数: 20

約数和(自身を含む): 40794760

約数和(自身を除く): 19778712

約数列:

[1, 2, 4, 8, 16, 787, 1574, 1669, 3148, 3338, 6296, 6676, 12592, 13352, 26704, 1313503, 2627006, 5254012, 10508024, 21016048]

約数ペア:

[(1, 21016048), (2, 10508024), (4, 5254012), (8, 2627006), (16, 1313503), (787, 26704), (1574, 13352), (1669, 12592), (3148, 6676), (3338, 6296)]