21576590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16223}}^1$

素因数の和:16256

約数の個数: 32

約数和(自身を含む): 46725120

約数和(自身を除く): 25148530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16223, 32446, 81115, 113561, 162230, 227122, 308237, 567805, 616474, 1135610, 1541185, 2157659, 3082370, 4315318, 10788295, 21576590]

約数ペア:

[(1, 21576590), (2, 10788295), (5, 4315318), (7, 3082370), (10, 2157659), (14, 1541185), (19, 1135610), (35, 616474), (38, 567805), (70, 308237), (95, 227122), (133, 162230), (190, 113561), (266, 81115), (665, 32446), (1330, 16223)]