21380458814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{7193}}^1$

素因数の和:7785

約数の個数: 64

約数和(自身を含む): 39738504960

約数和(自身を除く): 18358046146

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 547, 1094, 2717, 5434, 6017, 7111, 7193, 10393, 12034, 14222, 14386, 20786, 78221, 79123, 93509, 114323, 135109, 136667, 156442, 158246, 187018, 228646, 270218, 273334, 1028599, 1486199, 1503337, 1776671, 2057198, 2972398, 3006674, 3553342, 3934571, 7869142, 19543381, 39086762, 43280281, 51149423, 74756849, 86560562, 102298846, 149513698, 562643653, 822325339, 971839037, 1125287306, 1644650678, 1943678074, 10690229407, 21380458814]

約数ペア:

[(1, 21380458814), (2, 10690229407), (11, 1943678074), (13, 1644650678), (19, 1125287306), (22, 971839037), (26, 822325339), (38, 562643653), (143, 149513698), (209, 102298846), (247, 86560562), (286, 74756849), (418, 51149423), (494, 43280281), (547, 39086762), (1094, 19543381), (2717, 7869142), (5434, 3934571), (6017, 3553342), (7111, 3006674), (7193, 2972398), (10393, 2057198), (12034, 1776671), (14222, 1503337), (14386, 1486199), (20786, 1028599), (78221, 273334), (79123, 270218), (93509, 228646), (114323, 187018), (135109, 158246), (136667, 156442)]