21409743

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 9636657

約数列:

[1, 3, 29, 43, 59, 87, 97, 129, 177, 291, 1247, 1711, 2537, 2813, 3741, 4171, 5133, 5723, 7611, 8439, 12513, 17169, 73573, 120959, 165967, 220719, 246089, 362877, 497901, 738267, 7136581, 21409743]

約数ペア:

[(1, 21409743), (3, 7136581), (29, 738267), (43, 497901), (59, 362877), (87, 246089), (97, 220719), (129, 165967), (177, 120959), (291, 73573), (1247, 17169), (1711, 12513), (2537, 8439), (2813, 7611), (3741, 5723), (4171, 5133)]