21877377025

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{23027}}^1$

素因数の和:23194

約数の個数: 48

約数和(自身を含む): 31867067520

約数和(自身を除く): 9989690495

約数列:

[1, 5, 7, 25, 35, 61, 89, 175, 305, 427, 445, 623, 1525, 2135, 2225, 3115, 5429, 10675, 15575, 23027, 27145, 38003, 115135, 135725, 161189, 190015, 575675, 805945, 950075, 1404647, 2049403, 4029725, 7023235, 9832529, 10247015, 14345821, 35116175, 49162645, 51235075, 71729105, 125013583, 245813225, 358645525, 625067915, 875095081, 3125339575, 4375475405, 21877377025]

約数ペア:

[(1, 21877377025), (5, 4375475405), (7, 3125339575), (25, 875095081), (35, 625067915), (61, 358645525), (89, 245813225), (175, 125013583), (305, 71729105), (427, 51235075), (445, 49162645), (623, 35116175), (1525, 14345821), (2135, 10247015), (2225, 9832529), (3115, 7023235), (5429, 4029725), (10675, 2049403), (15575, 1404647), (23027, 950075), (27145, 805945), (38003, 575675), (115135, 190015), (135725, 161189)]