21964456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1741}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 43898400

約数和(自身を除く): 21933944

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 1741, 3154, 3482, 6308, 6964, 12616, 13928, 33079, 66158, 132316, 144503, 264632, 289006, 578012, 1156024, 2745557, 5491114, 10982228, 21964456]

約数ペア:

[(1, 21964456), (2, 10982228), (4, 5491114), (8, 2745557), (19, 1156024), (38, 578012), (76, 289006), (83, 264632), (152, 144503), (166, 132316), (332, 66158), (664, 33079), (1577, 13928), (1741, 12616), (3154, 6964), (3482, 6308)]