21958594

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 18165566

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 257, 359, 514, 718, 1799, 2513, 3598, 4369, 5026, 6103, 8738, 12206, 30583, 42721, 61166, 85442, 92263, 184526, 645841, 1291682, 1568471, 3136942, 10979297, 21958594]

約数ペア:

[(1, 21958594), (2, 10979297), (7, 3136942), (14, 1568471), (17, 1291682), (34, 645841), (119, 184526), (238, 92263), (257, 85442), (359, 61166), (514, 42721), (718, 30583), (1799, 12206), (2513, 8738), (3598, 6103), (4369, 5026)]