21294429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8951}}^1$

素因数の和:9028

約数の個数: 16

約数和(自身を含む): 31081344

約数和(自身を除く): 9786915

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8951, 26853, 116363, 349089, 546011, 1638033, 7098143, 21294429]

約数ペア:

[(1, 21294429), (3, 7098143), (13, 1638033), (39, 546011), (61, 349089), (183, 116363), (793, 26853), (2379, 8951)]