21535130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 40867200

約数和(自身を除く): 19332070

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 859, 1090, 1718, 2507, 4295, 5014, 8590, 12535, 19757, 25070, 39514, 93631, 98785, 187262, 197570, 468155, 936310, 2153513, 4307026, 10767565, 21535130]

約数ペア:

[(1, 21535130), (2, 10767565), (5, 4307026), (10, 2153513), (23, 936310), (46, 468155), (109, 197570), (115, 187262), (218, 98785), (230, 93631), (545, 39514), (859, 25070), (1090, 19757), (1718, 12535), (2507, 8590), (4295, 5014)]