21434973

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 34402560

約数和(自身を除く): 12967587

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 577, 609, 1281, 1731, 1769, 4039, 5307, 12117, 12383, 16733, 35197, 37149, 50199, 105591, 117131, 246379, 351393, 739137, 1020713, 3062139, 7144991, 21434973]

約数ペア:

[(1, 21434973), (3, 7144991), (7, 3062139), (21, 1020713), (29, 739137), (61, 351393), (87, 246379), (183, 117131), (203, 105591), (427, 50199), (577, 37149), (609, 35197), (1281, 16733), (1731, 12383), (1769, 12117), (4039, 5307)]