21066364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21834116

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 113, 209, 223, 226, 418, 446, 452, 836, 892, 1243, 2147, 2453, 2486, 4237, 4294, 4906, 4972, 8474, 8588, 9812, 16948, 23617, 25199, 46607, 47234, 50398, 93214, 94468, 100796, 186428, 277189, 478781, 554378, 957562, 1108756, 1915124, 5266591, 10533182, 21066364]

約数ペア:

[(1, 21066364), (2, 10533182), (4, 5266591), (11, 1915124), (19, 1108756), (22, 957562), (38, 554378), (44, 478781), (76, 277189), (113, 186428), (209, 100796), (223, 94468), (226, 93214), (418, 50398), (446, 47234), (452, 46607), (836, 25199), (892, 23617), (1243, 16948), (2147, 9812), (2453, 8588), (2486, 8474), (4237, 4972), (4294, 4906)]